Gary W. Keller

He is the founder and Executive Chairman of Keller Williams, which is the largest real estate company in the world by agent count and second in closed sales volume, and units sold.

[5] While at Baylor, Keller spent time shadowing professionals in the fields of law, accounting, banking, and real estate.

[10] In 2017, he began to transition Keller Williams into more of a technology company,[11] launching technology initiatives that included KW Labs, KW Keller Cloud, and "Kelle," an artificial intelligence app used as a virtual assistant and an agent-to-agent referral tools platform called "Referrals.

His first book, The Millionaire Real Estate Agent, was co-authored with Dave Jenks and Jay Papasan and released in 2004.

[16] In 2013, Keller and co-author Papasan published their first non-real estate book, The ONE Thing: The Surprisingly Simple Truth Behind Extraordinary Results.

[21] Keller is also a public speaker[22] and was a panelist for the nonprofit Relationship & Information Series for Entrepreneurs in 2013 along with former Texas Longhorns quarterback Vince Young.

[23] In 2013, Keller launched ALL ATX, a nonprofit with a goal to educate musicians on how to build successful careers in the Austin music industry.

[28] Keller teaches a business and life development course to young adults both in Austin and through his alma mater, Baylor University.

He has been a supporter of Baylor since his graduation, and in 2007 he donated the funds for a residential real estate research center at the Hankamer School of Business.

[29] The Keller Center, as it was named, studies consumer behavior, marketing strategies, and management solutions.