Sheldon Sherman was a Los Angeles Police Motorcycle Officer who is now medically retired after a motorcycle accident while on Duty. Sheldon is a state of California approved Motorcycle Saftey Instructor and owns and runs Prorider Antelope Valley in Lancaster, California. Prorider helps riders Improve riding skills and learn low-speed and accident avoidance skills. For more info, see: https://www.proriderantelopevalley.com.