Thomas E. Sisson, Birmingham Office Managing Member

Thomas E. Sisson, Birmingham Office Managing Member

Tommy is the Managing Member of Warren Averett’s Birmingham office and serves on the Firm’s Executive Committee. He has been with Warren Averett for 40 years—since he began his career at the Firm as an administrative intern while studying at Birmingham-Southern College. After his graduation, he began to work in Warren Averett’s Tax Division specializing in tax and consulting for closely-held businesses as well as physician and medical practices. Over the years, Tommy has served clients in many different capacities. As Managing Member, Tommy is dedicated to cultivating a culture of client-centered service that delivers value-based solutions so that clients thrive and accomplish what is most important to them. Tommy resides in Birmingham with his wife Leigh Ann and is the proud father of four children and one daughter-in-law.


  • Bachelor of Arts in Accounting and Economics
    Birmingham-Southern College, Birmingham, AL

Professional Affiliations

  • American Institute of Certified Public Accountants
  • Alabama Society of Certified Public Accountants
  • Vistage Group 3933

Community Involvement

  • The Birmingham Zoo Board of Directors, Vice Chair and  Past Finance Chair
  • The Rotary Club of Birmingham
  • Monday Morning Quarterback Club, Treasurer and Team Member
  • Birmingham Business Alliance, Board of Directors
  • Newcomen Society of Alabama
  • Leadership Birmingham Class of 2008
  • Mountain Brook Sports Corporation, Past President
  • King’s Home, Past Member of the Board of Directors and Finance Chair
  • Canterbury United Methodist Church, Past Finance Committee Chair, Past Board of Trustees Member
  • Birmingham-Southern College, Former Board Member and Audit Committee Chair

Ask Me About

  • The Firm’s broad array of value-based services
  • What it means to be served by an Advisory Firm
  • My first job at Warren Averett
  • My family’s mission trips to Central America