Snyder again reunited with Jim Tressel at Ohio State University and was coming off of his first season as the Buckeyes' defensive coordinator.
Snyder helped develop a number of outstanding players at Ohio State, including All-Americans Matt Wilhelm, Cie Grant, and A. J. Hawk.
Both Wilhelm and Grant played key roles in Ohio State's 2002 national championship before going on to become NFL draft picks.
"I am pleased that Mark decided to return to his alma mater and lead our football program into a new era," Marshall Director of Athletics Bob Marcum said at Snyder's hiring.
"He brings a great deal of experience, enthusiasm, and a proven record of success at the highest levels of college football to Marshall."
His program produced 40 all-conference selections, including 2006 Conference USA Defensive Player of the Year Albert McClellan, who had 18.5 tackles for loss and 11.5 sacks his sophomore season.
Under Snyder, running back Ahmad Bradshaw was a two-time All-C-USA pick and ran for 19 touchdowns and 1,523 yards as a junior in 2006 to earn first-team all-league honors.
McClellan, who had to sit out the 2007 season due to a knee injury, returned in 2008 to earn first-team All-C-USA honors for the second time in his career.
During USF's 2010 season that ended with an 8-5 record and a win over Clemson in the Meineke Car Care Bowl, the Bulls ranked 17th in total defense (317.9 ypg.)
Snyder helped mentor first-team All-BIG EAST defensive tackle Terrell McClain, who was selected in the third round of the 2011 NFL draft (No.
Snyder also helped lead The Ohio State Buckeyes to an inaugural playoff berth for the FBS National Championship.