John Hennessy

John Hennessy, SIOR, serves as a Partner and Director of Office Services at Colliers, a position held since July 2012. Prior to this role, John held the title of Director of Office Services at Sandner Commercial Real Estate from April 2007 to July 2012. Earlier experience includes serving as an Office Landlord Representative at EGS Commercial Real Estate and as an Account Executive at Concepts & Associates. John Hennessy studied Management and Entrepreneurship at The University of Alabama from 2005 to 2006 and attended the University of Mississippi from 2001 to 2004.