Mark Ein is the Co-Chairman and Principal Shareholder of Kastle Systems, LLC as well as the CEO and Founder of Venturehouse Group, LLC. In addition, he is the Owner and Founder of the Washington Kastles, DC's World TeamTennis franchise. Mr. Ein is deeply involved with philanthropic works in DC and has served, and continues to serve, on different committees around the District. He is currently dating Sally Stiebel.
[Last updated on September 14, 2012]
#SEEMETAKEOVER | Tuesday June 10, 2014
NY Giants Training Camp Outing at Frames NYC | Tuesday August 13, 2013
White House Correspondents' Dinner 2013 | Saturday April 27, 2013
Malaria No More Launch Party | Thursday December 13, 2012
Walk This Way With Becky's Fund 2012 | Friday October 5, 2012
Kastles vs. Boston Lobsters | Monday July 16, 2012
Red, White and Boom | Wednesday July 4, 2012
Fourth Annual Ball On The Mall | Saturday May 5, 2012
Jete Society Mad Hatters Dance Party | Saturday January 21, 2012
Hot Hundred Holiday Party | Friday December 16, 2011
Celebs & Socialites Come Out For "Snow Flower And The Secret Fan" | Thursday July 14, 2011
Tennis, Anyone? First Lady Michelle Obama Sits Front Row At Kastles Tenn... | Friday July 8, 2011
Washington Kastles v. Boston Lobsters | Thursday July 7, 2011
Publicyte Launch Party | Tuesday June 21, 2011
Washington Life's Real Housewives of D.C. After-Party | Friday August 6, 2010
Washington Kastles After Party | Thursday July 15, 2010
UrbanDaddy presents the Patron Secret Dining Society | Friday May 7, 2010
