Jeffrey Gundlach: DoubleLine, the Bond King, and the 17 Flights from TCW

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GREATEST TRADERS · EPISODE 45

Jeffrey Gundlach

The New Bond King and the Empire He Built at DoubleLine

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On the fourth of December, two thousand and nine, in a sixteenth-floor conference room of the TCW Group’s headquarters at eight sixty-five South Figueroa Street in downtown Los Angeles, the firm’s chief legal counsel walked into a meeting and informed the chief investment officer of the firm’s fixed-income division that he was being terminated, immediately, for cause. The chief investment officer was forty-nine years old. He had been at TCW for twenty-four years. He ran a nine-point-three-billion-dollar bond fund that had finished in the top two percent of all intermediate-term bond funds in America for the previous decade. He had personally generated more revenue for the firm than any other employee in its history. He was, in the financial press, by then known as the next Bill Gross.

His name was Jeffrey Sherman Gundlach. The accusation against him was that he was preparing to steal proprietary trade secrets, client lists, and key personnel in order to launch a competing firm. He denied it. The TCW lawyers told him to clear his desk. According to multiple later accounts, he was followed down seventeen flights of stairs by lawyers as he left the building, presumably to ensure that he did not return to his office to take any further documents.

What happened next is one of the most remarkable instances of corporate self-injury in modern asset-management history. Within forty-eight hours, fourteen senior members of Gundlach’s team gathered at his Santa Monica home. Using the BlackBerry smartphones the firm had issued them, they emailed simultaneous resignation letters to TCW’s executive committee. Within ten days, on the fourteenth of December, two thousand and nine, Gundlach announced the formation of a new firm, DoubleLine Capital, named after a Piet Mondrian painting in his personal collection. The firm was backed by a twenty-million-dollar investment from Howard Marks’s Oaktree Capital Management for a twenty percent stake. By the end of December, fourteen of TCW’s senior bond professionals, plus the team’s intern, plus another twenty-six employees who would follow over the subsequent weeks, had resigned and joined DoubleLine.

TCW sued. Gundlach countersued for unpaid wages owed to him under a compensation agreement TCW had failed to honour after firing him. The case went to a Los Angeles County jury in July twenty eleven. After a six-week trial, the jury awarded Gundlach sixty-six point seven million dollars in unpaid compensation. TCW won a partial verdict on the trade-secrets claims but was awarded no damages. Gundlach, who would later say that he celebrated his birthday three months after the verdict by renting out a restaurant in TCW’s own office building, walked away with the legal vindication and the wages. TCW, which had been a hundred-and-ten-billion-dollar firm in two thousand and nine, watched DoubleLine grow from zero to fifty billion in three years. Today DoubleLine manages over ninety billion dollars. TCW’s fixed-income division has never recovered the position it held when Gundlach walked out.

The story is well-known in the bond business. What is less well-known is how a math-and-philosophy summa cum laude from Dartmouth, who had dropped out of a Yale theoretical-mathematics PhD program in 1983 because his proposed thesis on the non-existence of infinity was rejected as outside the mainstream of mathematical thought, who had then driven to Los Angeles in a beat-up car to play drums in a glam-rock band called Radical Flat, who had decided in 1984 to become a banker because he had watched an episode of Lifestyles of the Rich and Famous and learned that investment bankers made the most money, who had mailed résumés to twenty-three investment firms listed in the Los Angeles Yellow Pages with aggressive cover letters demanding interviews, who had landed a single offer from a quantitative analyst position at TCW because nobody else had the math to solve the problems they put in front of him, ended up the most influential bond manager in the world.

Buffalo, the SATs, and the Pi That Did Not Exist

Jeffrey Sherman Gundlach was born on the thirtieth of October, 1959, in Amherst, New York, a working-class suburb of Buffalo. His father Arthur was an industrial chemist for Pierce and Stevens Chemical Corp, a small specialty-chemicals company. His mother Carol was a homemaker. The family had two sons. Gundlach grew up in a modest house in a middle-class neighbourhood. He attended Amherst Central High School, where he scored near the top of his class and posted SAT scores in the high ninety-ninth percentile, the kind of result that, in the late 1970s, was a serious accomplishment.

He was admitted to Dartmouth College on a full scholarship, financial aid being a structural necessity for a Buffalo chemist’s son. At Dartmouth he double-majored in mathematics and philosophy, completed his degree in 1981 summa cum laude, and was admitted to the Yale University doctoral program in theoretical mathematics. The Yale program was, at that time, one of the strongest in the world. Gundlach arrived expecting to spend the next four to six years working on the kind of pure-mathematics research that would lead to a tenured professorship.

What he wanted to work on, however, was the proposition that infinity does not exist. The proposition has a long history in the philosophy of mathematics. Constructivists, intuitionists, and ultrafinitists, going back to L. E. J. Brouwer in the early twentieth century, have all in various ways argued that mathematical objects which cannot be explicitly constructed are not properly mathematical objects at all, and that infinity, in particular, may be a useful fiction rather than a mathematical reality. Gundlach proposed to write his dissertation on a probabilistic version of this argument. His advisor, in conversation with the broader Yale mathematics faculty, deemed the topic outside the mainstream interests of the department. The advisor told Gundlach to choose a different topic.

Gundlach refused. He left the program. The official record is that he dropped out after the second year, around 1983. He has said in interviews that the disagreement was a clean break of intellectual judgment rather than a personal defeat: he believed in his thesis, and he was not interested in spending another four years working on something he did not believe in. The episode is, in retrospect, the first instance in his life of a pattern that would define everything that came afterward. When the institutional consensus disagreed with him, he left the institution.

Radical Flat, the Yellow Pages, and the TCW Math Problem

Gundlach moved to Los Angeles in 1983 with a Dartmouth bandmate named Bev Eyre. The two of them rented a cheap apartment and spent the next several months trying to make it as glam-rock musicians. Gundlach was the drummer. Eyre played bass. They formed a band called Radical Flat, a deliberate pun on his mathematics background, and gigged at small Los Angeles clubs without much commercial success. Eyre would later say in interviews that Gundlach was a genuinely gifted drummer, with the kind of timing and rhythmic precision that suggested he could have built a real career in the music business if he had wanted to. He did not particularly want to. By the autumn of 1984, the band’s prospects were going nowhere, his savings were exhausted, and he was eating ramen noodles in a one-room apartment in Hollywood.

The conversion happened, by his own account, while he was watching television one evening in late 1984. The episode of Lifestyles of the Rich and Famous that Robin Leach was hosting that evening included a segment ranking professions by income. Investment banker came in at the top. Gundlach, who had spent his life optimising for the highest available academic ranking, decided that night that he would optimise for the highest available financial ranking. He went to the Los Angeles Yellow Pages the next morning, looked up every investment firm with offices in the city, and counted twenty-three. He typed up twenty-three résumés on a borrowed typewriter. Each was paired with a one-page cover letter that was, in his later description, deliberately aggressive, demanding an interview rather than asking for one, on the theory that the only thing he had to sell was confidence and a Dartmouth math degree.

Twenty-two of the twenty-three firms did not respond. The twenty-third was Trust Company of the West, a then-eight-billion-dollar Los Angeles asset manager that was looking for someone who could handle quantitative work in its fixed-income division. The interviewing partner gave Gundlach a series of bond mathematics problems on a whiteboard. Gundlach, who had not studied bonds in his life, worked through them by reasoning from first principles. He did better than any of the candidates the firm had previously interviewed. They hired him as a junior portfolio analyst in 1985. The starting salary was thirty-five thousand dollars. Gundlach, who had been on the verge of moving back to Buffalo to work construction with his brother, accepted on the spot.

To prepare for the job, he bought a copy of Sidney Homer and Martin Leibowitz’s Inside the Yield Book, the seminal 1972 text on bond mathematics, and read it cover to cover three times in his first month. By the end of his first six months at TCW, the firm’s senior partners had given him a five-hundred-million-dollar fund to manage, an unusually large mandate for a portfolio analyst with no formal finance training. By the end of his first three years he was the firm’s lead manager for mortgage-backed securities. By 1990, at age thirty-one, he was earning a million dollars a year. Over the next twenty years he would build TCW’s fixed-income division from a modest specialty operation into a hundred-billion-dollar powerhouse that would become, by some measures, the dominant active mortgage-bond manager in America.

At a Glance: Jeffrey Gundlach

Born 30 October 1959, Amherst, New York (Buffalo) (still living, age 66)
Education Dartmouth (Math & Philosophy) summa cum laude 1981; Yale PhD program 1981–83 (incomplete)
Pre-finance career Drummer in glam-rock band “Radical Flat”, Los Angeles 1983–84
TCW hired 1985, after mailing 23 résumés to LA Yellow Pages firms
Subprime call June 2007: declared subprime a “total, unmitigated disaster”
TCW Total Return Fund Top 2% of all intermediate-term bond funds for 10 years through 2009
Fired by TCW 4 December 2009 (allegedly walked down 17 flights with lawyers)
DoubleLine founded 14 December 2009, with Philip Barach and 14 ex-TCW colleagues
Oaktree backing $20M for 20% stake; Howard Marks (former TCW colleague)
Lawsuit verdict July 2011: $66.7M unpaid wages awarded to Gundlach
“King of Bonds” Barron’s cover, February 2011
DoubleLine peak AUM ~$150 billion (2018); approximately $90–95 billion today
Albright-Knox gift $42.5 million to Buffalo art gallery, 2016 (renamed Buffalo AKG Art Museum)
Net worth (peak) ~$2 billion in early 2010s
Title “The New Bond King” (post-2014, after Gross’s PIMCO departure)

The June 2007 Subprime Call

The trade that defined Gundlach’s reputation, and the trade that would later cause TCW more grief than they could process, was his June two thousand and seven public declaration that the American subprime mortgage market was, in his words, a total, unmitigated disaster, and that it was only going to get worse. The statement was made at an institutional investor conference, was reported in the financial press, and was, at the time, a minority view. The S&P five hundred would not peak until October that year. The stresses in the subprime mortgage market, while visible to the small group of investors who were tracking them carefully, were largely dismissed by the broader market as a contained problem in a small corner of the credit universe. Federal Reserve chairman Ben Bernanke had testified to Congress in May two thousand and seven that the subprime problem was likely to be contained.

Gundlach had been studying mortgage-backed securities for over twenty years by that point. His specialty within fixed income was non-agency mortgage paper, the bonds backed by mortgages that did not carry the implicit Fannie Mae or Freddie Mac federal guarantee. He understood, in detail that very few other portfolio managers in the world understood, the underwriting standards that had been used in the two thousand and four to two thousand and seven mortgage-origination boom. He understood the geographic concentration of the riskiest loans. He understood the structural design of the securitisations and where the losses would land first. By June two thousand and seven, when he made his public declaration, he had already substantially reduced TCW Total Return’s exposure to the at-risk segments of the market and rotated into agency-backed paper, which would benefit if and when the federal government had to step in to support the housing market.

The trade played out over the following two and a half years exactly as Gundlach had predicted. Subprime collapsed. The non-agency mortgage market collapsed with it. Lehman Brothers failed in September two thousand and eight. By March two thousand and nine, when the S&P five hundred bottomed at six hundred and seventy-six, the residential mortgage-backed securities market had lost an enormous portion of its value. Gundlach’s fund, which had largely avoided the carnage, then went on offence. He bought non-agency paper at distressed prices through the spring and summer of two thousand and nine, on the thesis that prepayment behaviour and credit performance would recover faster than market prices implied. The fund returned approximately nineteen and a half percent in two thousand and nine, with most of those gains coming before his December termination. He had averaged nine ¤1 percent annually over the two thousand and seven to two thousand and nine period, when most other intermediate-term bond funds had been crushed.

This was the record TCW fired him on. The firing has become, in retrospect, one of the most studied and least defensible firings in asset-management history. The simplest explanation, and the one most likely to be correct, is that the firm’s senior partners, including chairman Robert Day, had grown frightened by Gundlach’s increasing prominence and were simultaneously conducting acquisition negotiations with a competing firm, Metropolitan West Asset Management, that they believed would replace him. They were also negotiating, unbeknownst to Gundlach, to sell TCW’s parent company stake to the French bank Société Générale at a valuation that Gundlach’s compensation arrangements would have made expensive to consummate. Firing him served multiple purposes simultaneously, and they convinced themselves they could do it cleanly. They could not.

The 17 Flights of Stairs and the BlackBerry Resignations

The mechanics of the firing have entered Wall Street folklore. According to multiple later accounts, on the morning of the fourth of December, two thousand and nine, TCW’s chief legal counsel met Gundlach in a conference room and presented him with a folder of allegations: trade-secret theft, client-list misappropriation, plans to launch a competing firm. He was told he was being terminated immediately. He was told to leave the building under escort. The escort followed him down the seventeen flights of stairs from the firm’s offices to the lobby. Gundlach has subsequently said that he found the flight-following more amusing than humiliating. He had already made up his mind, on the elevator ride down, that he would build something better than TCW within five years.

What happened next was unprecedented in the asset-management industry. The day after the firing, fourteen senior members of Gundlach’s TCW team gathered at his Santa Monica home. Using their TCW-issued BlackBerry phones, they composed simultaneous resignation emails and sent them to TCW’s executive committee. The emails took effect immediately. Within twenty-four hours, TCW had lost its head of fixed-income, his deputy Philip Barach, all of the firm’s senior mortgage-bond portfolio managers, all of the firm’s senior mortgage-bond traders, all of the firm’s structured-credit analysts, and the team’s intern. Steven Wald, the intern who was finishing his undergraduate degree, would later say in interviews that the decision to leave was a no-brainer.

On the fourteenth of December, ten days after the firing, Gundlach announced the formation of DoubleLine Capital. The firm was named after a Piet Mondrian painting in his personal collection, a painting he had bought because he liked the philosophical implications of the geometric form. Howard Marks’s Oaktree Capital Management, which Marks had himself founded after leaving TCW in 1995, agreed to invest twenty million dollars for a twenty percent stake. The firm registered with the SEC on the twenty-third of December. By the end of January twenty ten, with no track record of its own and no existing fund, DoubleLine had raised one billion dollars in commitments from former TCW clients who simply moved their assets across the street.

The growth from there was extraordinary. Forty-five employees and one billion in assets at the end of January twenty ten became fifty billion by twenty thirteen, one hundred billion by twenty sixteen, and a peak of approximately one hundred and fifty billion in twenty eighteen. The firm’s flagship Total Return Bond Fund, ticker DBLTX, would over the following decade become one of the most successful actively managed mortgage-bond funds in the country. Gundlach himself, by twenty eleven, was on the cover of Barron’s under the headline The King of Bonds. By twenty fourteen, when Bill Gross was leaving PIMCO under the circumstances described in the previous episode, the financial press had essentially completed the succession. Bill Gross was the old Bond King. Jeffrey Gundlach was the new one.

“I am a scorpion. Attack me and I will fight back. Hard.”
— Jeffrey Gundlach, statement to Wall Street Journal reporters during a 2017 dispute over their coverage of DoubleLine

The Mondrian, the Warhol, and the Money Manager Who Lived Like a Cardinal

Gundlach’s persona, in the years after DoubleLine’s founding, became as carefully constructed as his investment portfolio. He bought a glass-and-steel modernist mansion in the Hollywood Hills. He filled it with one of the more serious private collections of post-war American art in Los Angeles, including major works by Andy Warhol, Willem de Kooning, Jasper Johns, and Piet Mondrian. He drove fast cars. He hosted Thursday-night DoubleLine dinners at expensive Los Angeles restaurants where he would hold forth on macroeconomic theory, art criticism, philosophical questions about the nature of mathematical truth, and the personal failings of the financial journalists who covered him.

The persona was, in equal measure, charismatic and abrasive. Gundlach was famously combative with the financial press. When he learned in twenty seventeen that the Wall Street Journal was preparing a story examining whether DoubleLine’s flagship fund had cooled from its earlier white-hot pace, he attacked the reporters on Twitter for weeks before the story was even published. The story, when it appeared, was relatively mild. Gundlach kept attacking anyway. He kept feuds with other money managers, including Bill Gross himself, alive in the financial press for years on end. He would describe his own analytical capabilities in unguarded language that critics found self-aggrandising and supporters found refreshingly honest. In a Barron’s interview he described himself, in successive sentences, as having a gift, possibly a curse, of stunning insight into the reality of the markets and the economy, and as borderline autistic.

The combination of public combativeness and analytical precision worked, in the sense that DoubleLine grew. It also damaged him in ways that did not show up in the firm’s marketing materials. His twenty-year marriage to Nancy Draper, the bassist who had played in his Los Angeles bands, ended in divorce. His relationships with senior staff at DoubleLine were, by the accounts of former employees, intense and difficult. The firm’s chief operating officer, Ron Redell, departed in twenty twenty-two after a dispute. Multiple senior portfolio managers have left over the years citing the difficulty of working in Gundlach’s orbit.

The philanthropy, in fairness, has been substantial and serious. In twenty sixteen, Gundlach donated forty-two and a half million dollars to the Albright-Knox Art Gallery in his hometown of Buffalo, the largest single donation to a cultural institution in Western New York history. The gallery was renamed the Buffalo AKG Art Museum in twenty twenty-three, partly in his honour. He has continued to support the museum, and other Buffalo institutions, with subsequent gifts. The pattern of giving back to a hometown that he left at eighteen and rarely returned to has been one of the more consistent threads in his public life.

What We Cannot Know

Gundlach’s record contains the same kinds of ambiguities that the previous Bond Kings’ records contain, and a few that are particular to him.

The first concerns the durability of DoubleLine’s edge. Gundlach’s specialty is non-agency mortgage paper, a market that was extraordinarily mispriced in the years after the two thousand and eight crisis, when forced selling by leveraged holders had driven prices well below their economic fundamentals. The trade he ran for the first decade of DoubleLine’s existence was to buy that paper and hold it as it converged toward fair value. The trade worked. By the late twenty tens, however, the structural opportunity in non-agency MBS had largely closed. DoubleLine’s flagship Total Return Fund, by the early twenty twenties, had been broadly tracking its benchmark rather than dramatically outperforming it. The firm has remained large and successful. Whether it will continue to outperform in a less favourable environment is genuinely unclear.

The second concerns the macro calls. Gundlach has, over the years, made many bold public predictions: about Treasury yields, about the dollar, about the stock market, about gold, about Bitcoin, about the federal deficit. Some have been right, including the subprime call and the call on the twenty sixteen rise in ten-year yields against consensus. Others have been wrong, including a number of recession predictions made over the period from twenty fourteen through twenty twenty-three that did not materialise on his timeline. The honest framing is that Gundlach has been a much better mortgage-bond portfolio manager than he has been a macro forecaster, and that the public visibility of his macro predictions has sometimes outrun the underlying analytical accuracy. He himself, when pressed, has acknowledged this in moments of unguarded honesty.

The third concerns the personality. Gundlach’s combative style has produced enormous public attention, which has helped DoubleLine attract assets, which has contributed to the firm’s success. It has also produced lawsuits, broken relationships, departed colleagues, and a public image that some retail investors find distasteful. The pattern is not unique to him. Bill Gross had a parallel pattern. Jim Simons, in a different way, had a parallel pattern. The relationship between the qualities that make a great trader and the qualities that make a difficult human being is genuinely close, and Gundlach has been more transparent than most about acknowledging the tension. The honest reading is that the tension is real and that he has paid for it in ways that show up only at the level of personal life.

The fourth concerns the succession problem. DoubleLine, like PIMCO before it, is structurally identified with its founder. Gundlach is sixty-six. He has not announced succession plans. He has hired and fired multiple potential successors over the years. The firm’s institutional value, if and when he steps back, is genuinely uncertain. The pattern in active asset management is that founder-dependent firms tend to lose meaningful assets when the founder departs, and DoubleLine appears unlikely to escape that pattern when the moment arrives. The lesson for retail traders watching from a distance is the same one we drew from Gross’s PIMCO: outsized performance comes paired with outsized founder-dependence, and the institution has a long-tail risk that the marketing materials never mention.

What Gundlach Teaches: Four Lessons in Order of Depth

1. The most important lesson is mathematical: understand the underlying instrument better than anyone else in the room. Gundlach’s edge in mortgage-backed securities did not come from macro insight, market timing, or charisma. It came from twenty years of obsessive technical study of how mortgage securitisations were structured, how the cash flows were divided among the tranches, how prepayment behaviour interacted with interest rates, and how credit losses propagated through the waterfalls. He read Inside the Yield Book three times in his first month at TCW. He spent twenty years building structural models of every major non-agency deal he could get his hands on. The retail trader’s analogue is straightforward: pick the instrument you actually trade, and make yourself understand it more deeply than the average participant in that market. If you trade gold futures, learn the COMEX delivery mechanics, the warehouse stocks, the term structure, the relationship between spot and futures, the impact of physical demand cycles. If you trade options, learn the volatility surface, the implied skew, the gamma profile, the exposure of market makers. The edge does not come from somewhere mysterious. It comes from being the participant who knows the most about the actual instrument being priced.

2. The deeper lesson is institutional: the institutions that built you can also destroy you, and you have to be willing to walk. Gundlach’s defining career move was not the subprime call. It was the willingness, twice, to walk away from an institutional consensus that he believed was wrong: first at Yale in 1983 when his thesis was rejected, and again at TCW in two thousand and nine when the firing forced him to. Both times he discovered, not without struggle, that what looked like the loss of an institutional platform was actually liberation from a constraint. The retail trader’s version of this lesson is more modest but structurally identical. The broker that has worked for you may not be the one that works for what you want to do next. The trading style that paid for your account may not be the one that compounds it from here. The community of traders you started with may not be the community that holds you to the standard you need to be held to. The willingness to walk, when the institutional environment stops fitting the work, is itself a form of edge.

3. The deeper lesson still is intellectual: take your own contrarian view seriously, especially when it is unpopular. Gundlach’s June two thousand and seven subprime call was not a guess. It was the conclusion of two decades of rigorous mortgage-securitisation analysis, applied to a question almost no other major portfolio manager was asking carefully. He was contrarian because the data, applied properly, gave him a different answer than the consensus. The trader who copies him by reflexively betting against the consensus on every issue will lose money, because the consensus is right most of the time. The trader who follows the actual lesson takes their own analysis seriously, particularly when it disagrees with consensus, and asks honestly whether the disagreement is grounded in superior analytical work or in mere stubbornness. Most of the time, the answer is stubbornness, and the consensus is correct. Occasionally, rarely, the answer is that you genuinely understand something the consensus has missed. The discipline is to know which one you are looking at.

4. The deepest lesson is reputational: your hardest asset is your record, and the only thing that protects it is the willingness to be honest about your mistakes. Gundlach has been more publicly visible than almost any other bond manager of his generation. The visibility has cost him in moments where his macro calls have not worked out, and he has been pilloried in the press for predictions that did not materialise. He has, in return, been more honest than most of his peers about the calls that went wrong, including in his quarterly DoubleLine investor webcasts where he reviews his earlier predictions in detail. The transparency is, in the long run, the source of what continued credibility he has. The retail trader operates on the same principle at a smaller scale. The trading record, the journal, the honest review of the trades that worked and the trades that did not, is what compounds over years into an actual edge that other traders can recognise. The temptation to remember only the wins is universal. The discipline of remembering the losses, and learning from them in writing, is rare. Gundlach has practised the discipline more publicly than most of his peers, and a meaningful part of his career has been built on it.

Frequently Asked Questions

Why did TCW fire Jeffrey Gundlach?

The official explanation was that TCW had discovered a conspiracy by Gundlach to misappropriate trade secrets and start a competing firm. The likely actual explanation, supported by subsequent litigation and journalistic accounts, was a combination of factors: TCW’s chairman Robert Day had grown uncomfortable with Gundlach’s increasing prominence; the firm was conducting acquisition negotiations with Metropolitan West Asset Management that Day believed could replace Gundlach’s team; and the firm’s parent was negotiating a sale to Société Générale at a valuation that Gundlach’s existing compensation made expensive. The firing served multiple purposes simultaneously, and TCW underestimated the consequences.

What is DoubleLine?

DoubleLine Capital LP is the Los Angeles-based fixed-income asset management firm Gundlach founded on 14 December 2009, ten days after his TCW firing. The firm specialises in mortgage-backed securities, corporate credit, and emerging-market bonds. Its flagship fund is the DoubleLine Total Return Bond Fund (DBLTX). The firm peaked at approximately $150 billion in assets in 2018 and currently manages approximately $90–95 billion. Howard Marks’s Oaktree Capital provided initial backing in exchange for a 20% stake.

Was Gundlach really called the “next Bond King”?

Yes. Barron’s gave him the cover-story title “King of Bonds” in February 2011, less than a year and a half after his firing. The title became firmly associated with him after Bill Gross’s September 2014 departure from PIMCO, at which point the financial press essentially completed the succession. Gross was the old Bond King; Gundlach was the new one. Gundlach has at times embraced the title and at other times pointedly distanced himself from it, depending on the audience.

Did Gundlach really study to be a mathematician?

Yes. He graduated from Dartmouth summa cum laude in 1981 with a double major in mathematics and philosophy, and was admitted to the Yale University doctoral program in theoretical mathematics. He dropped out after two years when his proposed dissertation, on a probabilistic argument that infinity does not exist, was rejected by his advisor as outside the mainstream interests of the Yale mathematics faculty. He has said in interviews that he still believes in the thesis.

Did Gundlach really play in a rock band?

Yes. From 1983 to 1984 he played drums in a Los Angeles glam-rock band called Radical Flat (a deliberate pun on his mathematics background). The band had moderate club success but no commercial breakthrough. Gundlach, who had moved to Los Angeles with Dartmouth bandmate Bev Eyre, has said the experience was a serious commitment at the time, not a side project. Eyre has confirmed that Gundlach was a genuinely gifted drummer with the kind of timing and rhythmic precision that would have supported a music career if he had wanted one.

What was the subprime call?

In June 2007, at an institutional investor conference, Gundlach publicly described the American subprime mortgage market as a “total, unmitigated disaster” that was “only going to get worse.” The statement came months before the visible onset of the financial crisis, while Federal Reserve chairman Ben Bernanke was still publicly characterising the subprime problem as contained. Gundlach had already substantially repositioned TCW Total Return out of at-risk subprime paper and into agency-backed mortgage securities. The trade played out exactly as he predicted, and his fund significantly outperformed peers through 2008 and 2009.

How did the TCW lawsuit end?

The case went to a Los Angeles County jury in July 2011. After a six-week trial, the jury awarded Gundlach $66.7 million in unpaid wages owed under his TCW compensation agreement. TCW won a partial verdict on the trade-secrets claims, but was awarded zero damages on those claims. The financial result was a substantial net win for Gundlach. The reputational result was a clean public vindication that helped DoubleLine attract additional assets in the years that followed.

What happened to TCW after Gundlach left?

TCW survived but never recovered the position in fixed income that it had held when Gundlach was running the division. The firm completed its acquisition of Metropolitan West Asset Management, which has continued to operate as TCW’s primary fixed-income franchise. TCW’s parent Société Générale eventually sold the firm to a group of private investors led by Carlyle Group in 2013. The episode is now widely cited in business-school case studies as an example of how firing a star producer over an unsubstantiated theft allegation can destroy decades of institutional value.

From the Mathematics PhD That Did Not Happen to the Bond King

Jeffrey Gundlach built one of the most successful asset-management firms in modern history out of a rejected Yale thesis, a failed rock career, and a black-tie firing on the seventeenth floor of TCW. The Mind · Method · Money framework is built on the same instinct: understand the instrument better than the room, walk away from institutions that no longer fit the work, take your own contrarian view seriously when the math supports it, and build the discipline that lets you be honest with yourself about your record.

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Louw van Riet
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Louw van Riet
Author · Trader · Coach

Louw is the author of The Complete Trader's Edge — a 70-chapter trading framework covering psychology, technical analysis, ICT concepts, and professional risk management. He has spent years studying institutional price action across forex, indices, and crypto, and built this platform to provide the complete, honest trading education he wished existed when he started.

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