Sean Greene

Managing Director

Sean Greene is a Managing Director at Siguler Guff and head of the Firm’s Small Business Credit Opportunities Fund.  Mr. Greene previously served as Associate Administrator for Investment and Special Advisor for Innovation at the U.S. Small Business Administration (SBA).  He was responsible for both the Small Business Investment Company (SBIC) program, a growth capital program with over $18 billion of assets under management, as well as the Small Business Investment Research (SBIR) program, one of the government's largest innovation programs, which provides $2.5 billion of R&D funding to small businesses each year.  Mr. Greene also led the SBA's efforts focused on stimulating high-growth entrepreneurship and was one of the leaders of the administration's Startup America initiative.

Mr. Greene brings over 20 years of experience as an entrepreneur, investor and business strategist to Siguler Guff.  He was the founder and CEO of, an online travel company that he sold to Orbitz.  He was also a co-founder of Rock Creek Ventures as well as LaunchBox Digital, a seed-stage investment firm in Washington, D.C.  Previously, Mr. Greene was a Management Consultant at McKinsey and Company.  

Mr. Greene holds an A.B. from Princeton University and an M.B.A. from the Yale School of Management.  He was also a Fulbright Scholar at the National University of Singapore.