Colliers International Back to Search Colliers International Categories Real Estate 1801 Market Street, Suite 500 , Philadelphia , PA , 19103 (215) 925-4600 (215) 925-1040 Contacts Mary Chan Vice President of Operations | Human Resources Douglas Sayer President and CEO Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone Make Your Business Stand Out! Want to Enhance Your Company's Listing in our Business Directory? CLICK HERE TO LEARN MORE Please note: Enhanced Business Directory Listing is a CCSNJ Member Exclusive Benefit. List Your Business in Our Directory Want your business listed in CCSNJ's Business Directory? Contact our Director of Membership to join and get listed: Heather Sanderson Director of Membership, CCSNJ JOIN NOW