Leadership Team

Leadership Team

Missouri REALTORS® is governed by the association CEO and five elected officers: President, President-Elect, Treasurer, Treasurer-Elect, and Immediate Past President. Collectively, these officers are known as the Leadership Team and each - with the exception of the CEO - serves a one-year term on a volunteer basis.


Portrait of John Mayfield

John D. Mayfield, ABR, ABRM, CRB, CIPS, GRI, SRS, e-PRO, RENE


John received his real estate license in 1978 at the age of 18. John owns and operates the Mayfield Real Estate Team powered by EXP Realty in Southeast Missouri, as well as Global Real Estate School, where he offers pre- and post-license real estate courses in eight states around the U.S. John is a 2015 Graduate from 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 award from Missouri REALTORS®. In 2019, John received the Hall of Leaders Award from the Real Estate Business Institute (REBI). John is also the past World Council of Brokers President for FIABCI, an international real estate organization, where John received the medal of honor (their highest award achievement) on two separate occasions. John also served as past Global Liaison for Greece, Serbia, and Bulgaria for the National Association of REALTORS®.

Connect with John.  


Portrait of Andrea Sheridan

Andrea Sheridan, ABR, CRS


A second-generation REALTOR® since 2002, Andrea began her profession in the real estate industry after teaching elementary music education. Andrea served as President of the Kansas City Regional Association of REALTORS® in 2018 and has been active within Missouri REALTORS®, and served on many committees. She was named the Kansas City Regional Association of REALTORS® Salesperson of the Year and Missouri REALTORS® Salesperson of the Year in 2015. Andrea is a member of the Women’s Council of REALTORS®.

Connect with Andrea.


Portrait of Derek Schriewer

Derek Schriewer, M.A.


Derek joined the real estate industry in 2006 and became licensed in 2010. As a second-generation REALTOR®, Derek became immediately involved as a leader in his local board where he earned the 2012 REALTOR® Salesperson of the Year. By 2016, Derek was serving on local, state, and national REALTOR® committees, including Consumer Communications Committee at NAR & Strategic Planning Committee with Missouri REALTORS®. In 2019, he served as both his local board & Missouri REALTORS® Educational Foundation President. Derek holds a BA in Political Theory from Dominican University (IL) and MA in International Relations from the University of Missouri – St Louis. Derek resides in his hometown, Washington, Missouri.

Connect with Derek.


Portrait of Bobbi Howe

Bobbi Howe, CRS, AHWD, SFR


Bobbi is a second-generation real estate professional, with over 24 years of experience as an active REALTOR®. She served as President of the Kansas City Regional Association of REALTORS® in 2020. Prior to that, Bobbi served as the St. Joseph Regional Association of REALTORS® President in 2013 and 2014. She was named REALTOR® of the Year for the St. Joseph Regional Association of REALTORS® in 2012. Bobbi was named the Elizabeth J. Mendenhall E3 Award recipient for Missouri REALTORS® in 2020. She has served as the Chair of the National Association of REALTORS® Strategic Thinking Advisory Committee and YPN Committee. She is passionate about mental health for those in the real estate industry. In her spare time, she loves running marathons and being an Association junkie.

Connect with Bobbi.


Portrait of Janet Judd

Janet Rodriguez Judd, ABR, CIPS, CRS, GRI, SRES, AHWD, RENE

Immediate Past President

Janet has been a REALTOR® since 1985 and sells residential real estate in St. Louis, Missouri. She is a Broker-Associate with RE/MAX-Results. Judd is a recipient of both the RE/MAX Lifetime Achievement Award and the RE/MAX Hall of Fame Award. Janet served as 2015 President of St. Louis REALTORS®. She was awarded the 2000 Sales-Associate of the Year by St. Louis REALTORS®. Janet received Missouri REALTORS® 2016 Salesperson of the Year Award and became a Lifetime Member of Missouri REALTORS® that same year. She is an RPAC Hall of Fame Member. Janet is currently serving her fourth year as a NAR Director. She has served on NAR’s Professional Standards Committee, Member Communications Committee, and Risk Management Committee. She is currently serving as the Vice-Chair of NAR’s REALTOR® Safety Committee. Janet is also a long-standing member of the Women’s Council of REALTORS®. Janet is proud to serve as the first Hispanic President of the largest trade association in Missouri. #IdeasMatter

Connect with Janet.

headshot of Breanna Vanstrom

Breanna Vanstrom, MBA, RCE, CAE


Breanna Vanstrom has more than 20 years of experience in marketing, association management, and real estate. She’s been a REALTOR®, worked in communications for REALTOR® Associations in West Palm Beach, Florida, and St. Paul, Minnesota. She previously served as the Chief Executive Officer for Boise Regional REALTORS®. Breanna holds a Bachelor’s degree in Journalism and an MBA, both from the University of St. Thomas in Minnesota.

Connect with Breanna.
breanna@morealtor.com / ext. 1100