Mark Ein

Mark Ein
Ein in 2024
Born
Mark David Ein

(1964-12-31) December 31, 1964 (age 59)
Education
Occupations
Organizations
Title
Board member of
Spouse
Sally Stiebel
(m. 2013)
Awards

Mark David Ein (born December 31, 1964) is an American venture capitalist and sports entrepreneur. He owns the Washington City Paper and is a limited partner of the Washington Commanders of the National Football League (NFL). An enthusiast of tennis, Ein briefly played semi-professionally in his 40s, founded the World TeamTennis (WTT) team Washington Kastles in 2008, and has chaired the DC Open since 2019. He is also chairman of the President's Export Council and a member of the Federal City Council, World Economic Forum, and Gridiron Club.