Dave Kasper is a retired American soccer player and the general manager for D.C. United.

Kasper grew up in the Pittsburgh area playing for Pittsburgh Beadling. He graduated from Chartiers Valley High School. He attended the University of Maryland, playing for the Terrapins soccer team from 1983 to 1987. He graduated with a bachelors degree in marketing. In 1988, the Los Angeles Lazers selected Kasper in the Major Indoor Soccer League draft, but did not sign him. He turned professional that year with the Milwaukee Wave of the American Indoor Soccer Association. He spent two seasons with the Wave. In 1994, Kasper signed with the expansion Pittsburgh Stingers of the Continental Indoor Soccer League. The Stingers released him on June 29, 1995.

Kasper coached the Upper St. Clair High School boys team. He also coached the Sewickley Academy soccer team from 1991 to 1994, compiling a 38-17-3 record. He also coached the Beadling U-17 team. In April 1994, Duquesne University hired him as the school's first soccer coach. However, the team did not play its first season until 1995. He had a 15-31-7 record over three seasons.

Benjamin Robert "Ben" Olsen (born May 3, 1977) is a former American professional soccer player and the current manager of D.C. United. Born in Harrisburg, Pennsylvania, Olsen grew up playing for FC Delco, an elite club program near Philadelphia. He later attended the University of Virginia, when he was named 1997 Soccer America Player of the Year.

Olsen spent the majority of his professional career in the United States with D.C. United in Major League Soccer, which he joined straight out of college. Over the course of 12 seasons with United, Olsen made 221 appearances, scoring 29 goals and making 49 assists. During that time he won two MLS Cup titles, two MLS Supporters' Shields and one U.S. Open Cup winners medal. His individual honors include two-time MLS All-Star, 1998 MLS Rookie of the Year, MLS Cup '99 MVP and 2007 MLS Best XI.

Olsen also earned 37 caps with the United States men's national team, winning the 2005 CONCACAF Gold Cup and representing the United States at the 2006 FIFA World Cup.