Charles Clark facts Born July 28, 1984 in Eustis, Fla. 2010-12 San Jose State University defensive secondary coach 2009 Duke University graduate assistant coach - defense 2008 Duke University defensive quality control intern Bowl Participation 2004 Cotton Bowl Charles Clark joined the San Jose State University football coach staff in March 2010. In his third season with the Spartans, Clark is the defensive secondary coach. In his first two seasons at San Jose State, he coached three-time first-team All-WAC selection Duke Ihenacho, who signed a 2012 free agent contract with the Denver Broncos. He came to San Jose State after serving two seasons at Duke University, where he worked with head coach Mike MacIntyre. In 2008, Clark was a quality control intern who had scouting, film breakdown, and recruiting responsibilities and helped the special teams coordinator and defensive assistant coaches. In 2009, he was promoted to a graduate assistant position assigned to the defensive unit. His game-day duties included relaying signals to the Blue Devils' defensive players on the field. The 2007 University of Mississippi graduate majored in banking and finance. He was a four-year letterwinner as a safety on the 2003 through 2006 University of Mississippi football teams. Clark played in 47 games and started every game from his sophomore through senior seasons. In 2004, he was the leading tackler with 76 tackles on an Ole Miss football team that included his roommate and current San Francisco 49ers All-Pro linebacker Patrick Willis. The native of Green Cove Springs, Fla., has taken master's degree classes in humanities at Duke University. He has one daughter, CadeMorgan Olivia Clark (5).