John C. Cushman III is an American realtor. He is the chairman of global transactions and chairman of the board of Cushman & Wakefield. Additionally, John holds directorships at Callaway Golf Company, iCRETE LLC (Co-Chairman) and ARTOC Universal Properties (Co-Chairman) in Cairo, Egypt. He also serves as Chairman of Rock Creek Management LLC and Chairman and Director of Zaca Mesa Winery in Santa Barbara County, California.