Robert Sullivan is in his 17th year at Hofstra in 2020-21 after joining the staff as an assistant athletic trainer in September 2004. Currently in his fourth year as senior associate athletic trainer, he oversees the athletic training needs for the Hofstra men's soccer and softball programs. He has previously worked with the women's basketball, field hockey, men’s lacrosse and men's and women's golf teams.

Born in Port Jefferson Station, New York, Sullivan attended Frostburg State University from 1988 through 1992 and earned a degree in health and physical education with a concentration in athletic training. From 1991 through 1994, he served as a seasonal assistant athletic trainer for the Philadelphia Eagles of the National Football League.

Sullivan served as head athletic trainer at the Spagnoli Physical Therapy Clinic in Centereach, New York from April 1995 through August 1999. He then went on to serve as head athletic trainer at Kings Park (NY) Physical Therapy from September 1999 through February 2004, including a two-year stint (1999-2001) as head athletic trainer at Northport (NY) High School. During that time Sullivan also completed an advanced Master of Science degree in athletic training at Long Island University Brooklyn in 2003. 

In February 2004 Sullivan accepted a position as assistant athletic trainer for the Berlin Thunder of the NFL-Europe League. The Thunder captured the NFL-E World Bowl Championship that season. 

Sullivan currently resides in Babylon, New York.