leonard marshall

Leonard Marshall has transitioned from a dominant NFL defensive lineman and two-time Super Bowl champion to a prominent advocate for athlete welfare and an engaged entrepreneur. After being drafted 37th overall by the New York Giants in the 1983 NFL Draft, Leonard Marshall went on to establish a distinguished career as a dominant defensive lineman, ultimately becoming a two-time Super Bowl champion. He spent ten seasons with the Giants, accumulating 79.5 sacks to rank third in team history. Marshall’s formidable performance earned him two Pro Bowl selections in 1985 and 1986, and he was named NFL Defensive Lineman of the Year for both seasons, alongside two Second-team All-Pro honors.

Marshall’s commitment to athlete well-being deepened following his diagnosis with chronic traumatic encephalopathy (CTE) in 2013, a degenerative brain disease linked to head trauma. Since his diagnosis, Marshall has emerged as a prominent and vocal advocate for CTE awareness and player safety, actively contributing to the Concussion Legacy Foundation. He also established the Game Plan Foundation, a non-profit organization dedicated to supporting athletes with neurological disorders. Currently, Leonard Marshall provides his expertise as an Outside Advisor at Rockefeller Capital Management, leveraging his extensive experience from elite athletics and business to impact the financial sector and continue his impactful advocacy for athlete welfare.