Mark Talley

Mark Talley is a seasoned real estate professional with 26 years of experience. Mark concentrates his practice on tenant and landlord representation for lease negotiations. Mark also represents clients in the disposition and acquisition of real estate assets. The development of strong relationships throughout the Detroit real estate community has led to his success.

Mark served in leadership roles with two of the world’s leading real estate firms, first with Jones Lang LaSalle and later with Grubb & Ellis. With JLL, Mark served as the Client Relationship Manager with the City of Detroit. In that capacity, he interfaced regularly with senior members of the administration. Mark negotiated over 1M SF of office leases for a total of over $90M, while securing savings of over $25M.  During this time Mark also led a team that completed $40M in land dispositions.

Mark then served as Vice President with Grubb & Ellis specializing in the Midtown & Central Business District markets.  In 2012, Mark launched Griswold Realty Advisors, LLC which has brokered deals totaling nearly $50M. 


Mark is a graduate of Michigan State University with Bachelor of Arts, School of Social Science with an emphasis on Economics.