Warren has been active in the commercial real estate brokerage business for the past 26 years at Colliers. During this time he has specialized in office leasing focusing on tenant and landlord representation. Warren's strengths are in his superior knowledge of the Calgary market along with extensive background in lease negotiations. As a member of the Colliers International Corporate Services Team, Warren has been involved in solving numerous challenging real estate projects for national and international clients. His extensive experience has made him a valuable advisor to his clients.