Board of Directors

HemsiBoard2013 web

 L-R: Musgrove, Werdehoff, Brown, Chapman, Wagner, Wisda, Blair

Board member:


Appointed by:

Mr. Stan Chapman -- Treasurer

Ms. Melissa Musgrove -- Secretary

Dr. Steven Werdehoff

Mr. David Blair, President

Mr. John T. Brown, Jr. -- Vice President

Mr. Bob Wagner

Dr. John Wisda


Madison County Commission

Mayor of Huntsville

Huntsville Hospital

Huntsville City Council

Mayor of Huntsville

Madison City Council

Crestwood Medical Center

Executive Leadership 

JHowell Web



Jon M. Howell, CEO

Howell began his EMS career as a dispatcher at Huntsville EMS, Inc. (HEMSI) in 1984 where he also served as field Paramedic/EMT until 1991, Urban Responder Coordinator (1991-1993), Assistant Director (1993-1998), and Assistant Director of Finance (1998-2001).  He assumed his role as CEO of the organization in 2001. He earned his BS degree in Chemistry from UAHuntsville and completed the Accelerated Ambulance Service Management Academy of the American Ambulance Association Management Training Institute.

Howell is active in his church, serving as Church Treasurer and on various committees. He also serves on the Panel of Commissioners for the Commission on Accreditation of Ambulance Services (CAAS).





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Don Webster, COO

Webster began working in the ambulance industry in 1974. Over the course of his career, he served as an EMT, paramedic, Urban Responder Coordinator, and Assistant Director of HEMSI. He completed the Accelerated Ambulance Service Management Academy of the American Ambulance Association Management Training Institute in 1995, and currently holds the position of Chief Operations Officer for HEMSI, for which he is responsible for day-to-day personnel operations.

Webster is active in the community through programs such as Leadership Huntsville/Madison County and local Emergency Management and Metropolitan Homeland Security initiatives.





DrSquyers Web



Dr. Sherrie Squyres, Medical Director

Dr. Squyres is from Houston, Texas. She graduated from the University of Texas Southwestern Medical School in Dallas, then completed residencies in Internal Medicine at UAB and Emergency Medicine at University Hospital in Jacksonville, Florida. She is a Board Certified Emergency Physician. She has worked in the ER at Huntsville Hospital since 1988, and currently serves as one of the Medical Directors.

She has been HEMSI’s Medical Director since 1994. She encouraged us to seek accreditation through CAAS, and is proud of the fact that we are the first (and only) EMS agency in Alabama to have achieved this certification. She is also the Medical Director of AERO, Alabama EMS Region One, which includes 11 counties in North Alabama, and represents them on the State EMS Medical Control Committee. She is a passionate patient advocate, and works to assure that we deliver excellent care with professionalism and compassion.

Dr. Squyres is married and has two wonderful daughters.