He is a member of the board of directors of En+ Group,[1] the world's largest producer of low-carbon aluminum and independent hydropower; and DRB Capital[2] a financial services firm headquartered in Florida.
According to documents filed with the SEC, he is a director serving on the board of Corrections Corporation of America,[3] the largest commercial vendor of federal detainment and prisoner transport in the United States.
[4] Since 2012, Marshall is also an independent director serving on the board of Genesco, an international footwear and apparel retailer based in Nashville, Tennessee.
He practiced law with a firm based in Washington and New York prior to working on Capitol Hill and in The White House.
In addition to counseling clients, Marshall provided internal advice to Swidler Berlin on ethics compliance and corporate governance.
[8] He became part of Bingham McCutchen's Government Affairs practice, counseling clients on relations with Congress, the Executive Branch and independent regulatory agencies.
He has provided legislative and regulatory counsel on corporate mergers, professional and amateur sports, commercial aviation, utilities and banking regulation, and legal process reform.
Marshall is a board member or trustee with the Campaign Legal Center,[9] Third Way,[10] and the Schwarzenegger Institute for State & Global Policy.
[citation needed] Marshall has been a member of the United States Postal Service Board of Governors, Ford Foundation, Corrections Corporation of America, Genesco, National Women's Law Center, the University of Arkansas Clinton School of Public Service, and the Supreme Court Historical Society.
Marshall was previously married to Colleen P. Mahoney, a 1981 graduate of American University School of Law and a retired partner at Skadden Arps.