Gary Keller, founder of the 35-year-old Keller Williams franchise, rose two rankings from last year to claim the top spot on the 2018 Swanepoel Power 200 (SP200), the fifth annual list of top real estate industry leaders and executives released today by consulting firm T3 Sixty, led by real estate industry veteran Stefan Swanepoel. In an advance copy of the list announcement obtained by Inman News, T3 Sixty cited an internal analysis showing that KW had grown to become the largest residential real estate franchise by sales volume in addition to its unparalleled agent count of 154,675 sales associates, pushing the leader of the real estate franchisor to the no. 1 slot.