Dr. Harrison is the Owner of Above The Reason Physical Therapy and is passionate about serving people in Maryland.

Grayling grew up in the inner city of Baltimore, Maryland. He utilized his talents to get an opportunity to play Divsion I football as a wide reciver, and recieve an education from Morgan State University. After graduating he obtained his Doctoral Degree in Physical Therapy from Thomas Jefferson Univeristy in Philadelphia. 

Grayling a Board Certified Orthopedic Clinical Specialist. He has experience treating young to professional athletes with orthopedic and sports related pathologies. Grayling is taking the initiative to bridge the gap between rehabilitation and performance. Understanding the physical and mental importance of returning to sport, competition, or improving your overall quality life Grayling's focus is to help optimize your performance and mindset to reach your goals.

When Grayling isn't working he is spending time with his lovely wife and daughter. His hobbies include reading, fishing, or getting involved in combat sports.