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About John

John Mayfield received his real estate license in 1978 at the age of 18. John has been a practicing broker since 1981 and has owned and operated three offices in Southeast Missouri. John has taught pre and post-license real estate courses since 1988. John has earned the ABR®, ABRM, CRB, CIPS, e-PRO®, GRI, and SRS designations throughout his real estate tenure. John is also a 2015 Graduate of REALTOR® University’s Masters of Real Estate Program, and recipient of the Capstone Award for his thesis paper.  John has earned both REALTOR-Associate and REALTOR of the Year from his local board and received the 2014 Richard A. Mendenhall Leadership award from the state of Missouri.  In 2019, John was awarded the REBI’s most coveted award, “Hall of Leaders,” in San Francisco, CA at the NAR Conference and Expo.


John is a Senior GRI instructor for The Missouri REALTORS® and teaches for the REBI, Real Estate Business Institute. John has spoken to thousands of real estate professionals throughout his tenure. He has been a featured speaker at the National Association of REALTORS® conventions on several occasions and taught in the Technology Resource Center for NAR. He is the author of eight books and creator of the “5-Minutes Series for Real Estate Agents,” Cengage Learning, with over 25,000 copies sold.  He is the co-author of 21 Mistakes Real Estate Brokers Make and How to Avoid Them, Acclaim Press.

John has served as a contributing editor to REALTOR® Magazine Online, and a real estate consultant and influencer for Hewlett Packard. John is also active on a local, state and national level for the REALTORS® Association, and served as the 2010 National President of the CRB Council of Real Estate Brokers and Managers.  John is the NAR Global Ambassador to Greece, Serbia and Bulgaria and an active member in FIABCI, where he served as the World Council of Brokers President for two terms.

John has two children, Alyx and Anne, and he and his wife Kerry live in Farmington, MO, where John owns and operates Mayfield Real Estate and Global Real Estate School.  John also speaks to real estate organizations around the U.S. and internationally.  John has spoken to real estate groups in over 25 different countries.