After leaving Japan, Marsh received a Master of Fine Arts degree in 1988 from New York State College of Ceramics at Alfred University. In 1989 Marsh was hired to teach at his undergraduate alma mater, Cal State Long Beach, where he continues to be a professor of art and head of the ceramics department.
After departing Japan, Marsh acquired a Master of Fine Arts degree in 1988 from New York State College of Ceramics at Alfred University. In 1989 Marsh was employed to instruct at his undergraduate academic institution, Cal State Long Beach, where he remains a professor of art and head of the ceramics department.