Alan Greenspan, the long-serving chairman of the United States Federal Reserve whose influence over the global economy earned him a near-mythical status among investors and policymakers, has died at the age of 100.
Greenspan, who led the world's most powerful central bank for more than 18 years, died on Monday from complications related to Parkinson's disease, according to his wife, veteran journalist Andrea Mitchell.
His death marks the passing of one of the most consequential economic figures of the late 20th and early 21st centuries — a man celebrated for steering the United States through years of growth and prosperity, yet later criticised for policies many believed contributed to the financial crisis that shook the world in 2008.
For much of his career, Greenspan was regarded as the undisputed guardian of the American economy. His pronouncements moved global markets, his congressional testimonies were dissected by investors, and his stewardship of monetary policy became a model studied by central bankers around the world.
By the time he stepped down as Federal Reserve chairman in January 2006, he had become one of the most recognisable economists in modern history, earning the nicknames "The Maestro" and "The Oracle" for his perceived ability to guide the economy through periods of uncertainty.
Born on March 6, 1926, in Manhattan's Washington Heights district, Greenspan demonstrated an exceptional aptitude for mathematics from an early age. However, his first ambition was not economics but music.
He attended the Juilliard School and performed professionally as a saxophonist and clarinettist before abandoning a career in music to pursue economics. He later studied at New York University, where he earned advanced degrees and built the academic foundation that would shape his future career.
Greenspan's intellectual outlook was heavily influenced by novelist and philosopher Ayn Rand, whose advocacy of free markets and limited government intervention became central to his economic philosophy.
After establishing himself as a successful economic consultant, he entered public service during the administration of President Gerald Ford, serving as chairman of the Council of Economic Advisers.
His most significant appointment came in 1987 when President Ronald Reagan selected him to succeed Paul Volcker as chairman of the Federal Reserve.
Within weeks of taking office, Greenspan faced one of the biggest tests of his career when global markets crashed on October 19, 1987, in what became known as Black Monday. His swift assurances that the Federal Reserve would provide liquidity to financial institutions helped calm investors and reinforced confidence in the central bank.
The response set the tone for a chairmanship defined by active crisis management and a willingness to intervene when financial stability appeared threatened.
Throughout the 1990s and early 2000s, Greenspan oversaw a period of remarkable economic expansion. Inflation remained relatively low, unemployment fell sharply and technological innovation transformed American business.
Many economists credited him with helping to sustain what was then the longest economic expansion in US history.
His influence became so extensive that market participants developed elaborate rituals around interpreting his public comments. Traders and analysts routinely scrutinised his speeches for subtle hints about future interest-rate decisions.
His most famous phrase came in 1996 when he warned that stock markets might be suffering from "irrational exuberance," a remark that instantly entered economic folklore.
Yet while Greenspan's reputation soared during the years of prosperity, the global financial crisis that erupted shortly after his retirement dramatically altered public perceptions of his legacy.
As the housing bubble burst and major financial institutions collapsed, critics increasingly argued that the low interest rates and deregulatory policies championed during his tenure had contributed to the build-up of systemic risks within the financial system.
Particular attention focused on his longstanding belief that financial markets and institutions could largely regulate themselves without extensive government oversight.
The crisis forced Greenspan into an uncomfortable reassessment of some of his most deeply held assumptions.
In a widely cited congressional appearance after the financial meltdown, he acknowledged that his faith in the ability of financial institutions to protect their own interests had proved flawed.
The admission became one of the defining moments of his post-Federal Reserve years and shaped much of the debate surrounding his legacy.
Despite the criticism, Greenspan remained an influential commentator on economic affairs. Through his consulting firm, books, public lectures and media appearances, he continued to analyse financial trends and monetary policy long after leaving office.
He also emerged as a defender of the Federal Reserve's independence, warning against political interference in central banking decisions.
In early 2026, he joined several former senior economic officials in criticising efforts to investigate Federal Reserve Chairman Jerome Powell, arguing that such actions threatened the institution's autonomy and credibility.
Away from economics, Greenspan was known for his passion for statistics, sports and music. He was an avid follower of baseball and American football and maintained a lifelong affection for jazz.
His personal life also occasionally attracted public attention. He had a well-publicised relationship with television journalist Barbara Walters before marrying Andrea Mitchell in 1997.
Mitchell, announcing his death, paid tribute to a man she described not only as a brilliant economist but also as a devoted husband whose curiosity and enthusiasm for life never diminished.
Greenspan's tenure remains one of the most debated periods in modern economic history. Supporters view him as the architect of an era of sustained growth and stability, while detractors see him as a symbol of the deregulation and market optimism that preceded the worst financial crisis since the Great Depression.
What remains beyond dispute is the scale of his influence. For nearly two decades, Alan Greenspan stood at the centre of the global financial system, shaping decisions that affected governments, businesses and households across the world.
His life spanned a century of extraordinary economic change, and his legacy will continue to be studied, debated and reassessed for generations to come.
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