Dr. Greg Wallace married Judi in 1983 and together they have two children: a son, Brendan, and a daughter, Kelli. Greg and Judi developed a keen interest in skiing while living in Kamloops and are typically seen most winter weekends at Big White Ski Resort. Greg also plays both outdoor and indoor soccer as well as indoor and beach volleyball. Greg has been an active Rotarian since 1990 and currently is a member of the Ogopogo Rotary Club.

Dr. Wallace graduated from UBC (Vancouver) in 1985, with a Bachelors Degree in Science, followed by an Optometry Degree from the University of Waterloo in 1990.