Kastles Stadium at The Wharf had a ribbon-cutting ceremony attended by the current commissioner of what organization?
Kastles Stadium at The Wharf:  The stadium was opened on June 14, 2011, with a ribbon-cutting ceremony attended by Billie Jean King, Ilana Kloss, District of Columbia mayor Vincent Gray, and others. Ilana Kloss: Ilana Sheryl Kloss (born 22 March 1956) is a former professional tennis player, tennis coach, and the current commissioner of World TeamTennis, a position that she has held since 2001.
World TeamTennis