SECURITY BANCORP OF TENNESSEE - Key Persons


Addison Sansone

Job Titles:
  • Branch Manager
  • Branch Manager and Lender

Becky Martin


Bill Joyner

Job Titles:
  • Member of the Senior Management Team
  • Senior Vice President and Gibson County Retail Manager

Bill Reffert

Job Titles:
  • Member of the Board of Directors
Bill joined the Board in January, 2014. He became President & CEO of ERMCO, a

Chris Nunn

Job Titles:
  • Member of the Board of Directors
Chris has been on the Security Bank Board since 2002. Chris joined the organization after auditing financial institutions for KPMG in Memphis. He is the Chief Financial Officer for Security Bancorp where he is responsible for financial analysis and reporting for the holding company and its subsidiary banks. He serves on the Board of Directors for all of our affiliated banks. He also serves on the Board of Directors for the Tennessee Bankers Association and the Independent Community Bankers of America. Chris is a graduate of Rhodes College where he is an adjunct professor in the Department of Commerce and Business. He and his wife Kim live in Memphis and have 3 children.

Christy Berry

Job Titles:
  • Customer Support

Courtney Smith

Job Titles:
  • Branch Manager

David Hayes

Job Titles:
  • Member of the Board of Directors
David joined Security Bank in 1991 after spending 25 years with Union Planters National Bank in Memphis. He is very active in all aspects of the community in Dyersburg and nationwide with the Independent Community Bankers Association serving as Chairman for 2005- 2006. He currently serves as Chairman of the Dyersburg Electric Company and the Dyer County Industrial Development Board. He formerly served as President of Security Bank from 1991-2022 and now serves as Vice Chairman of the Board for Security Bank. David also serves on the boards of The Bank of Jackson and Patriot Bank. David attended the University of Memphis and the Stonier Graduate School of Banking. He and his wife Sara live in Dyersburg and have 2 children and 2 grandchildren.

Donald Hogue - President, Treasurer

Job Titles:
  • Member of the Board of Directors
  • President
  • Secretary
  • Treasurer
Donald is the Secretary/ Treasurer of Security Bancorp and President of the Bank of Halls. He also serves on the boards of the Bank of Halls, Bank of Crockett, Gates Banking and Trust Company and Security Bank. Donald started with the Bank of Halls in 1962 and worked at the bank for 5 years before leaving to become a bank examiner for the Tennessee Department of Financial Institutions in 1968. He worked in that capacity for nine years before returning to the bank in 1977. Donald attended Union University and is a graduate of the School for Bank Administration at the University of Wisconsin. He and his wife Patty live in Halls and have two children and 6 grandchildren.

Ellen Moore

Job Titles:
  • Member of the Board of Directors
Ellen has been an active member on the Board of Directors since 2000. She is employed in home and has dedicated her life to improving the community. She won the Dyersburg/Dyer County Woman of the Year due to her efforts in the community. She has been on the Dyersburg City Beautiful Commission for over 25 years and is currently serving as president. She has served on boards such as the Habitat for Humanity, YMCA, American Heart Association, and United Way. She and her husband Fred have two daughters and attend First United Methodist Church in Dyersburg.

Ginger Whitworth


Hal Johnson - CCO, SVP

Job Titles:
  • CCO
  • Member of the Senior Management Team
  • Senior Vice President

J C Castellaw

Job Titles:
  • Member of the Board of Directors
J C joined the Security Bank Board of Directors in 1998. JC was the President of CaRe Petroleum until the late 1990s. He then retired and has been an avid golfer in his spare time. He and CaRe Petroleum are contributors to the charitable organizations around Dyer County through time and funding. He and his wife Charlotte have three children and 4 grandchildren. They are members of First Baptist Church of Dyersburg.

Jared Agee

Job Titles:
  • Member of the Senior Management Team
  • IT Support
  • Senior Vice President, IT

Jennifer Nunley - CEO, President

Job Titles:
  • CEO
  • Member of the Board of Directors
  • Member of the Senior Management Team
  • President

John Young

Job Titles:
  • Branch Manager
  • Member of the Senior Management Team
  • Senior Vice President and Dyer County Retail Manager

Johnny Dodson

Johnny has most recently been on the Gates Banking and Trust Board since 1995. He owns and operates the farm that has been in his family over 100 years and has a diversified operation growing cotton, corn, soybeans, wheat, and raising cattle. He was appointed by the U. S. Secretary of Agriculture to serve as United Soybean Board Director from Tennessee for 9 years. He has been a member of the Tennessee Soybean Association for over 30 years, serving as secretary, treasurer, vice president and president of the state organization before being elected to serve 3 consecutive 3 year terms as a board member of the American Soybean Association. He became President and Chairman of ASA and also served as Chairman of the Tennessee Soy Promotion Board for nine years. He is also on the advisory board for Ag Innovation Development Group. He has been on the Board of the Dyer County Fair Association for over 40 years and on the Executive Board of the Dyer County Fair Association for over 30 years after serving as President. Johnny was instrumental in organizing the Fowlkes Volunteer Department serving as Chief for many years, and he continues to volunteer his time to help the community. Johnny has been married to his wife Laura for forty-two years and they have one son, John H. Dodson, III.

Kayla Smith


Kelley Haynes


Kelly King


Laura Dodson - VP

Job Titles:
  • Executive Administrative Assistant
  • Member of the Senior Management Team
  • Vice President

Lisa Waller


MaKayla Parker


Marilyn Buffaloe


Mariska Malamatos


Mark Emison

Job Titles:
  • Internal Audit

Nick Nunn

Job Titles:
  • Member of the Board of Directors
Nick started his career in 1993 in the Fixed Income Division of Morgan Keegan in Memphis. He was a Senior Vice President working as a broker before leaving to join Security Bancorp in 2005. He serves on the Board of Directors for all six banks associated with Security Bancorp. Nick manages the investment portfolio and funds management duties for all six banks in the organization. He has also been Treasurer of United Telephone Company based in Chapel Hill, Tennessee. Nick also serves as a Board Member of Advance Memphis. Nick is a graduate of Auburn University. He and his wife Kara live in Memphis and have 3 children and are members of Second Presbyterian Church.

Pam Tetleton

Job Titles:
  • Branch Manager
  • Branch Manager and Lender

Ragan Coleman

Job Titles:
  • Marketing and Business Development

Refugio Palacios


Roger Bell

Job Titles:
  • Member of the Senior Management Team
  • Senior VP and Mortgage Loan Officer

Ron Switzer

Ron became a part of the Security Bank Board of Directors in 2014. Ron has been an insurance broker for 37 years and with

Stacey Bell - SVP

Job Titles:
  • Member of the Senior Management Team
  • Senior Vice President
  • Executive Offices

Tiffani Lee


Trae Baker


Warren Nunn

Job Titles:
  • Member of the Board of Directors
  • President and CEO of Security Bancorp
Warren is the President and CEO of Security Bancorp, the holding company for Security Bank. Warren has spent his life in banking starting his career at Union Planters National Bank in Memphis before returning to Halls in 1972. He has been on the Security Bank Board of Directors since 1978. He has served on boards and various committees of The University of Memphis, Dyersburg State Community College, Union University and the Baptist Hospital System. He was previously elected to the Board of the Federal Reserve Bank of Memphis where he served a three year term. He has overseen the tremendous growth of the organization during his time with the bank. Warren is also co-owner of Tennessee Tractor, which owns 10 John Deere dealerships and employs 350 people in 10 counties in West Tennessee. Warren is a graduate of the University of Memphis. He and his wife Eleanor live in Halls and have two sons and six grandchildren.