Colonel Gregory D. Gadson (born 1966) is an active duty Colonel in the United States Army and the director of the U.S. Army Fort Belvoir Garrison. He is also a bilateral above-the-knee amputee, occasional actor, and motivational speaker. He served in the U.S. Army for more than 20 years as a field artillery officer and served on active duty for Operations Desert Shield and Desert Storm, Operation Joint Forge, Operation Enduring Freedom, and Operation Iraqi Freedom.