Mark graduated from OVC (Ontario Veterinary College) in 1979, and has been a partner at OVH since 1983. Within the practice, Dr. Wallar has a special interest in critical care and orthopedics. Outside of work the Wallar family consists of wife Jocelyn, son Matthew, daughter Kathryn and nephew Joseph who keep busy with a variety of activities. Hockey, skiing, golf, gymnastics, riding, scuba and Tae Kwon Do keep the family and the car in perpetual motion.