Herschel Walker, Heisman Trophy winner, professional athlete, businessman and author, is the national spokesman for the Patriot Support Programs of Universal Health Services. Walker discussed the importance of seeking help for mental illness and substance abuse with Marines March 24, 2015, aboard Marine Corps Base Camp Pendleton, Calif. Walker now provides emotional and motivational support to service members, veterans and military families by conducting public speaking engagements at military installations nationwide.