Marshall is a proud alum of Gonzaga College High School, where he now serves as the Manager of Major Gifts. His primary responsibilities include soliciting high-profile donors, engaging with and retaining monthly and annual donors, managing the corporate matching gift program, and overseeing estate gifts. He also coaches freshman soccer.

Marshall holds a bachelor's degree in Business from Xavier University. His previous professional experience includes ticket sales for the Washington Commanders and business development for Okta and Salesforce in both the public and commercial sectors.