In 1988, Fleming joined the
management consulting firm
Booz Allen Hamilton as a consultant, Fleming was hired by
Merrill Lynch in 1992, and was initially tasked with restructuring the firm's
municipal bond division. He advised on
BlackRock's
initial public offering in 1999, and was subsequently promoted to head Merrill Lynch's U.S. financial institutions group. In 2003, he became head of the company's global investment banking and, later, co-president of the capital markets unit. In May 2007, Fleming and
Ahmass Fakahany were named co-presidents of Merrill Lynch. In June 2008, Fleming became
chief operating officer. After the Bank of America merger was completed in January 2009, Fleming resigned from Merrill Lynch to teach at
Yale University, becoming a senior research scholar and lecturer in law. In 2010 Fleming became president of
Morgan Stanley Investment Management, That year, he assisted
Anthony Scaramucci with selling
SkyBridge Capital, and in 2017 represented
Derek Jeter on the consortium purchase of the
Miami Marlins. In 2017, Fleming was announced as the founding CEO of
Rockefeller Capital Management, while also taking an ownership stake. Fleming has been quoted in the press on a number of market-related issues and, in 2022,
Fortune described Fleming as a long-time advocate of increasing
H1B visas to increase labor availability for specialized jobs in the US market. In September 2022, the
Financial Times credited Fleming with greatly increasing Rockefeller Capital Management's presence and asset holdings in US cities. In April 2023,
Bloomberg cited Fleming stating the firm had received a significant investment from the
Demarais family, with plans to use the funds for expansion. Fleming is also a member of the trustee advisory board at
Millennium Management, LLC. Fleming joined the board of directors of
BlackRock in April 2025. In October 2025, he announced a successful recapitalization of Rockefeller Capital Management, resulting in its valuation of $6.6 billion. == Personal life ==