He served as the Dean of the Columbia University Graduate School of Business from 2004 to 2019, where he remains the Russell L. Carson Professor of Finance and Economics.

He was also heavily criticized in the documentary Inside Job about the credit default swap scams that led to the world financial collapse in 2008.

He scored well enough on his College Level Examination Program to enter the University of Central Florida with enough credits to graduate with two degrees in three years.

[17][16] Hubbard had been critical of both Trump and Democratic presidential candidate Hillary Clinton, including after Bush had suspended his campaign.

He is also a Director or Trustee of the Economic Club of New York, Tax Foundation, Resources for the Future, Manhattan Council and Fifth Avenue Presbyterian Church, New York, and a member of the Advisory Board of the National Center on Addiction and Substance Abuse... Director of MetLife and Metropolitan Life Insurance Company since February 2007.

[29] Hubbard was interviewed in Charles Ferguson's Oscar-winning documentary film, Inside Job (2010), discussing his advocacy, as chief economic advisor to the Bush administration, of deregulation.

Ferguson argues that deregulation led to the 2007–2008 financial crisis sparked by the bankruptcy of Lehman Brothers and the sale of Merrill Lynch.

In the interview, Ferguson asks Hubbard to enumerate the firms from whom he receives outside income as an advisory board member in the context of possible conflict of interest.

Hubbard, hitherto cooperative, declines to answer and threatens to end the interview with the remark, "You have three more minutes; give it your best shot.