Mark is a member of Team Sam McDadi.

Mark owned a successful Mississauga insurance brokerage for many years before becoming a real estate agent.

Mark, who was born in Strafford, Ontario - the grandson of hockey legend Dutch Kelterborn - has always possessed an entrepreneur spirit. He began his insurance career when he was 22, opening his own brokerage only 2 years later.

He sold his interest in the business in 1999 to travel the world. Mark, who soon became a real estate agent, also has a real estate broker designation.

Mark is a single father of three adult children - Andrea, Lauren and Blake.