A Joy-Filled Life : Lessons from a Tenant Farmer's Daughter. Who Became a CEO

Originally a music teacher, Mo taught for 14 years before entering the real estate field. Partnered with Jerry Brown and Ruth Honeycutt, she established her first real estate office, a Century 21 franchise, in Edmond, Okla., in 1975. It became the third top-producing office out of 7,500 Century 21 locations in North America. In 1986, the company was sold to Merrill Lynch Realty, where she served as a district vice president until December 1989.

In 1992, Mo partnered with Gary Keller, co-founder of Keller Williams Realty, and became the regional director for Oklahoma. In January 1995, she was offered the executive roles of president, chief executive officer, and co-owner.