Charly Steeb is a three-time Davis Cup winner, two-time Olympic participant and was captain of the German Davis Cup team for four years. In 1997, he co-founded Clean Winners e. V., which successfully supports and promotes children from lower-income families at locations throughout Germany. Until the end of 2009, he was a shareholder of the sport management agency CMG and, from 2011 to 2013, managing director of CS GmbH, which is engaged in the marketing of athletes and actors as well as the organisation of various events (BMW Open, tennis; Berenberg Classics, tennis). From 2014 to 2017, he was managing director of the sport management agency 4sports & Entertainment. Currently he is managing director and shareholder of CS Consult, a sport consulting agency in the fields of events, marketing and sponsoring.