James became a Democratic donor and fundraiser for
Barack Obama. In May 2012, James hosted a fundraiser at his home in New York for Obama which raised more than $2 million for the president's reelection campaign. Obama offered James the job of Commerce Secretary but he ultimately turned it down. In 2020 he held a fundraiser for the presidential campaign of
Joe Biden, which raised over two million dollars. In 2015, James was appointed to the
Port Authority Board of Commissioners. Critics pointed out his lack of experience with transportation issues, and charged that Blackstone had recently purchased half of fellow commissioner Scott Rechler's New York real estate portfolio. In 2016, James co-authored a book,
Rescuing Retirement, with
Teresa Ghilarducci. Since 2014, James has been a member of the board of the
Center for American Progress (CAP), a progressive public policy research and advocacy organization. In 2023, James was appointed by President Biden to the
President's Intelligence Advisory Board. ==Health Care and AI==