Amarillo Legacy Medical ACO is governed by a board of managers with representatives from the participating medical groups, and patient (beneficiary) representatives. 

ACO Governing Body

• William C. Biggs, MD FACE   CEO, Medical Director, Amarillo Medical Specialists Voting Member
• Alan Keister, MD President, Amarillo Medical Specialists Voting Member
• David Gleason, JD , Medicare Beneficiary Voting Member
• George Marck, MD, Amarillo Medical Specialists Voting Member
• Carlos Plata, MD,  Amarillo Medical Specialists Voting Member
• Ako Bradford, MD, Amarillo Medical Specialists Voting Member
• Monte Slatton, MD, Cardiology Center of Amarillo Voting Member
• Michael Lamanteer, MD BSA Physicians Group Voting Member
  
• Perry Hall, Amarillo Medical Specialists Voting Member
• Randy Hickle, MD, Grace Clinic of Lubbock Voting Member
• Lance Gatlin, BSA Physician Group Voting Member
  

Key Clinical and Administrative Leadership

• Chief Executive Officer and Medical Director: William C Biggs, MD, FACE
• Chief Operating Officer and Compliance Official : Mary Jo Zallar, RN
• Quality Asurance / Improvement Officer : Robert Gross, MD  

Amarillo Legacy Medical ACO Committees and Committee Leaderships

• Quality Improvement Committee:Robert Gross, MD
• Value Based Contracting Committee: William C Biggs, MD
  
• Provider Engagement Committee : Alan Keister, MD