WORK CAPACITY & DISABILITY EVALUATION CENTER

Derek Harper, P.T.A., CEAS

Dr. Smith is a medical doctor, and he is a clinical professor of neurosurgery at Louisiana State University Health Sciences Center in Shreveport.


His neurosurgical areas of expertise include general neurosurgery with a special interest in spinal surgery and spinal instrumentation. Dr. Smith obtained his neurosurgical training in the military at Walter Reed Army Hospital in Washington, DC. Also while in the military service included tours in the Republic of Vietnam and Desert Storm. Now a retired member of the U.S. Air Force Reserves, he held the rank of Colonel. He has been accepted as an expert witness in the area of neurosurgery by the Louisiana Office of Workers’ Compensation Court, Louisiana District Court, and Federal District Court.

Dr. Gleason is a medical doctor, and he is a former partner at Spine Institute of Louisiana.

He is an orthopaedic specialist in the non-surgical treatment of spine disorders and occupational medicine. He has more than 30 years of experience in the field of orthopaedics and spinal surgery, and he was one of the founding members of Orthopedic Specialists of Louisiana. Dr. Gleason was also the first orthopaedic spine surgeon in the Ark-La-Tex to use interbody cages for use in disc space, which provided a new technique allowing the spine to be fused with much less post-operative discomfort. He completed impairment rating and skills assessment course work sponsored by the American Academy of Disability Evaluating Physicians. He has been accepted as an expert witness in the areas of orthopedics and impairment ratings by the Louisiana Office of Workers’ Compensation Court, Louisiana District Court, and Federal District Court.

Mr. Harper is a physical therapist assistant, and he is the VICE PRESIDENT OF CLINICAL OPERATIONS at Functional Capacity Experts, LLC.

He has been licensed to practice as a physical therapist assistant since 2003. He earned an associate of applied science degree in physical therapist assistant from Bossier Parish Community College in 2003. He has specialized in functional capacity testing and work conditioning since 2003, and he is a certified ergonomic assessment specialist.  He is an loyal fan of LSU Athletics.

Dr. McAlister is a medical doctor, and he is a partner at Orthopedic Specialists of Louisiana.


He attended medical school at Louisiana State University and completed his internship at Martin Army Hospital in Fort Benning, Georgia. He completed his Fellowship of Hand Surgery at the University of Louisville. After serving in our armed forces, Dr. McAlister opened practice here in Shreveport/Bossier where he has been for the past 35 years. Additionally, Dr. McAlister is the Assistant Clinical Professor of Orthopedics at the Louisiana State University School of Medicine. He is also a founding member of the Southeastern Surgical Hand Club.

Austin Gleason, III, M.D.

Dr. Allison is a doctor of physical therapy, and he is the CHIEF EXECUTIVE OFFICER at Functional Capacity Experts, LLC.

He is a service disabled Gulf War U.S. Army Veteran.  He has been licensed to practice physical therapy by the Louisiana State Board of Physical Therapy Examiners since 1993. He earned a bachelor’s degree in physical therapy from Louisiana State University Medical Center in 1993, a master’s degree in health sciences from Louisiana State University Medical in 1998, and a doctorate degree in physical therapy from the University of St. Augustine for Health Sciences Institute of Physical Therapy in 2007. He obtained added qualification as a board certified orthopaedic clinical specialist in 2002, certified functional capacity examiner, and a certified medical examiner for the Federal Motor Carrier Safety Administration.  He has been accepted as an expert witness in the areas of functional capacity testing and orthopaedic physical therapy by the Louisiana Office of Workers’ Compensation Court, Louisiana District Court, and Federal District Court.

Donald Smith, M.D.

Steve Allison, P.T., DPT, OCS

Clinton McAlister, M.D.