The University of California, Davis, College of Agricultural and Environmental Sciences (commonly referred to by students as the "College of Ag" or "Ag-and-E") was established in 1922 and is one of nine colleges on the campus of the University of California, Davis. It offers undergraduate degrees in forty different majors and graduate degrees in thirty (combined count for M.S. and Ph.D.). Since 1999 the College has been overseen by Dean Neal van Alfen.