The 6-foot-2, 184-pound senior forward scored 40 goals and passed for 11 assists this past season, leading the Mustangs (19-4-1) to the Class 3, District 7 championship game. An All-American selection by the National Soccer Coaches Association of America,
Grieshaber has maintained a 3.13 GPA in the classroom.
A standout middle infielder on the Marquette baseball team and a member of the Marquette High Fellowship of Christian Athletes chapter, he is a devoted member of his church community.