March 11, 2024 Mark Willis replaces Marc King as president at Keller Williams read more November 15, 2023 Mark Willis returns to his former role as CEO at Keller Williams read more July 12, 2023 Keller Williams brings in former CEO Mark Willis as strategic consultant  read more March 09, 2011 Keller Williams Realty Climbs to No. 2 Franchise in U.S. read more March 03, 2011 Keller Williams Realty Announces 2010 Numbers read more