Joel Jankowsky

Prevent Cancer Foundation provides cancer prevention services. The firm offers treatment for colorectal, prostate, breast, skin and testicular cancers. It also provides early detection research, education and community outreach programs across the country. The company was founded in 1985 and is headquartered in Alexandria, VA.

MedStar National Rehabilitation Hospital provides Healthcare services. The firm specializes in treating persons with physical disabilities caused by spinal cord and brain injuries, stroke, arthritis, amputation, multiple sclerosis, post-polio syndrome, sports injuries, and other neurological and orthopedic conditions. The company was founded in 1983 and is headquartered in Washington, DC.