Matt Sosnick is a former San Francisco-based sports agent. He attended Burlingame High School and the University of Southern California. His business partners are Paul Cobbe and Adam Karon. Their client list includes, or included at one time, Major League Baseball All-Star and 2003 Rookie of the Year Dontrelle Willis; All-Stars Josh Johnson, Jay Bruce, and Matt Moore; Ricky Nolasco; Josh Hamilton; Freddy Sanchez; Josh Willingham; and Ryan Doumit. Sosnick was named one of Forbes magazine's five most influential young people in baseball in June 2008.