Rob Leimbach was born in Baltimore, Maryland. Rob is a school teacher in Anne Arundel County. Through his work he met Joe Sheya, and they talked about martial arts. Rob has a black belt in Tae Kwon Do and has also studied Moo Duk Kwan. Joe invited him to Hapkido class. Rob began studying in 1989 and was promoted to Black Belt instructor on 6 May 2000. Rob likes that "Hapkido provides a non-competitive and yet a very challenging way to learn a martial art."
Outside of the Dojang Rob practices Tai Chi Chuan and spends a lot of time bicycle riding.