Who is keller williams realty? Founded in 1983 by Gary Keller and Joe Williams with the mission to build careers worth having, businesses worth owning and lives worth living for its associates, Keller Williams Realty has been among the fastest growing real estate franchises in the industry since its founding.Why join the keller williams team? Keller Williams is the future of real estate. Talented, team-oriented, and driven to help our agents succeed, we’re the team at Keller Williams. Headquartered in the heart of Texas, we’re lucky to call Austin home. Not only do we represent the No. 1 sales force in agent count, units and sales volume, we’re also home to the Tech-Enabled Agent.Who is keykeller williams? Keller Williams is an international real estate franchise company with more than 134,000 real estate agents, operating in 790 offices across the globe.