Stanford will begin a national search to fill the position.
Under Rittman, the Cardinal has recorded 16 consecutive winning seasons, made 15 straight NCAA appearances, notched 13 40-win seasons and produced at least one All-American in each of the last 15 years. Since coming to Stanford, Rittman has accumulated a 681-313-3 overall mark, coached a national player of the year, 16 All-Americans and maintained a spot in every regular-season NFCA poll for more than a decade.
Rittman also served as a member of the United States National Team coaching staff from 2001-08 and was part of the United States softball teams at the Olympics in Athens (gold medal) and Beijing (silver).