The economist who changed his mind in public, then dared you to call it a flaw. Three administrations, one Clark Medal, zero patience for conventional wisdom.
In late 2025, Larry Summers did something he had almost never done in fifty years of public life: he went quiet. The board seats fell away one by one - OpenAI, then a Bloomberg contributor slot, then advisory perches at think tanks that had once treated his phone number as a strategic asset. By February 2026 he had announced his resignation from Harvard, the institution that had given him tenure at 28 and the presidency at 46. The release of his email correspondence with Jeffrey Epstein had reset the terms of his public standing, and for once the most quotable economist in America had little to say.
For anyone who had followed him, the silence was the strange part. Summers built a career on volume - not loudness for its own sake, but the conviction that an argument worth having was worth having at full force, in public, against whoever happened to be in the room. He is the rare figure who has been both vindicated and vilified for the same trait.
When circumstances change, I change my opinion.
Lawrence Henry Summers arrived on November 30, 1954, in New Haven, Connecticut, into a household where supply and demand were dinner-table talk. His parents, Robert and Anita Summers, were both economists at the University of Pennsylvania. His father had changed the family surname from Samuelson. The two Nobel laureates in economics he could call uncle - Paul Samuelson and Kenneth Arrow - were not abstractions but relatives. Most teenagers rebel against the family business. Summers entered MIT at 16 intending to study mathematics, then surrendered to genetics and switched to economics.
He took his bachelor's from MIT in 1975 and a PhD from Harvard in 1982, studying under Martin Feldstein. By 1983, at 28, he was a tenured member of the Harvard faculty - among the youngest in the university's history. The pattern was set early: arrive somewhere improbably young, then start telling the people already there what they had wrong.
In the autumn of 2013, at an IMF conference, Summers reached back to a Depression-era idea and gave it a second life. The economy, he argued, might be stuck in "secular stagnation" - a state where the interest rate needed to generate full employment had fallen so low that conventional monetary policy could no longer reach it. Growth would not snap back on its own. Governments, he said, would have to spend.
The phrase escaped the seminar room and became the framing device for a decade of debate about why advanced economies could not seem to accelerate. He later called it what he thought it was.
Secular stagnation may be the defining macroeconomic challenge of our times.
Then, in 2021, he reversed the polarity and made the prediction that would define his later years. As Washington prepared a large pandemic-relief package, the prevailing view among economists and policymakers was that inflation risk was minimal and transitory. Summers broke ranks loudly, warning that the scale of stimulus risked igniting inflation not seen in a generation. He was, for a while, a man arguing against nearly everyone he had ever worked with. The inflation came. The vindication was uncomfortable for a profession that had told him to relax, and characteristically, Summers did not let anyone forget it.
His resume reads like a tour of every lever American economic power has to offer. He left Harvard in 1991 to become chief economist of the World Bank. He joined Bill Clinton's Treasury in 1993, rose to deputy under his mentor Robert Rubin, and in 1999 became the 71st Secretary of the Treasury. He helped steer the U.S. response to the Mexican, Asian, and Russian financial crises of the 1990s. During his tenure the federal government repurchased Treasury debt for the first time since the 1920s, and he remains the only Treasury Secretary in the last half century to leave office with the budget in surplus.
In 2001 he returned to Harvard as its 27th president - the first Jewish person to hold the post. The presidency was eventful and short. A 2005 set of remarks on the representation of women in science set off a faculty no-confidence vote and contributed to his 2006 departure. He went back to the faculty, did a stint as a part-time managing director at the hedge fund D.E. Shaw, and in 2009 returned to government as director of the National Economic Council, steering through the wreckage of the financial crisis.
Brexit is the worst self-inflicted policy wound that a country has done since the Second World War.
Colleagues have called him brilliant and abrasive in the same breath. The Economist labeled him a "famous contrarian." His gift and his liability are the same instrument: a willingness to say the unwelcome thing first, in the room, to the people who least want to hear it. He was on the MIT debate team and qualified for the National Debate Tournament three times, which surprises no one who has watched him work a panel. Hollywood noticed too - Douglas Urbanski played him as the unflappable Harvard administrator in the 2010 film "The Social Network."
The events of 2025 and 2026 form the most consequential turn of his late career. Congressional documents released in November 2025 made public email correspondence between Summers and Jeffrey Epstein. In quick succession Summers stepped back from his public commitments, ended his paid Bloomberg News role, and resigned from the OpenAI board. In December 2025 the American Economic Association - the body that had awarded him its Clark Medal - imposed a lifetime ban on his membership. In February 2026 he announced he would leave his Harvard professorship at the end of the academic year, taking the title of president emeritus. He has described the association as a major error of judgment.
What happens to an argument when the arguer steps off the stage is its own open question. For now, the columns for Project Syndicate continue, and the secular-stagnation debate he reignited has outlived his place in the spotlight - which may be the most economist thing about him. The ideas were never really about him anyway.
The only Treasury Secretary in the last half century to leave office with the federal budget in surplus.
Won the John Bates Clark Medal in 1993, given to the outstanding American economist under 40.
First social scientist to receive the NSF's Alan T. Waterman Award, in 1987.
Helped design the U.S. response to the Mexican, Asian and Russian financial crises of the 1990s.
Gave "secular stagnation" its modern life, framing a generation of growth debates.
Member of the National Academy of Sciences, the rare economist among the hard scientists.
When circumstances change, I change my opinion.On revising his views
Secular stagnation may be the defining macroeconomic challenge of our times.On his thesis
Brexit is the worst self-inflicted policy wound that a country has done since the Second World War.June 2016
There is a kind of creeping totalitarianism around restrictions on campus debate.On academic speech