Egan served as United States Ambassador to the Organisation for Economic Co-operation and Development (OECD) in Paris, France from October 2007 to November 2009.

Carruth Capital, founded in 1994, is one of New England's top 10 commercial real estate investment and development firms.

[citation needed] From October 2007 to January 2009, Egan served as ambassador to the Paris-based Organisation for Economic Co-operation and Development (OECD).

[6] On March 18, 2015, Egan became the Chairman of the Board of Directors for The Home for Little Wanderers, the nation's oldest and one of New England's largest child and family service agencies.

The foundation works to teach economically challenged individuals and families the skills needed to break free of poverty.