Marshall has a passion for improving the lives of those with Diabetes and has been a volunteer with the American Diabetes Association (ADA) since 2008 serving as a Tour de Cure Corporate and National Team Captain, Silicon Valley Tour Volunteer Chair, Community Leadership Board member, and National ADA Finance Committee member for the past two years. Additionally, he previously served on the National Board of Directors in 2021 and as Secretary/Treasurer in 2022. He is an operations-oriented business management leader with strong business acumen. He led public, private, and divisional executive leadership teams through growth and restructuring transformations. 

Case retired from Lockheed Martin in 2016 as Vice President of Infrastructure Services for the $8B Space Systems Business. Prior to that he was Vice President of Finance and Operations for two Lockheed Martin business units and Executive Vice President and Chief Financial Officer for private and public high technology companies. He started his career in the Financial Management program at General Electric Company in Erie, PA. He now resides in Savannah, GA and is actively involved in community service and pursuing his lifelong love of triathlon competition.