He served as the head football coach at Birmingham–Southern College in Birmingham, Alabama from 2008 to 2016.
He previously served as a defensive coordinator at both Jacksonville State University and Georgia Southern University, assistant coach at Spain Park High School and defensive coordinator at Birmingham–Southern College.
Garfinkle was hired as Birmingham Southern's sixth head coach on February 20, 2008.
Garfinkle served as the Gulf Shores High School defensive coordinator from 2018 to 2020.
This biographical article relating to a college football coach first appointed in the 2000s is a stub.