Marshall, a native of Bluffton, Ohio, joins the Trine track and field staff as an assistant working with the pole vaulters. He competed collegiately for Ohio Northern University for four years, earning all-conference honors four times. He has two years of coaching experience as an assistant at Cory-Rawson High School in Rawson, Ohio and at Franklin County High School in Brookville, Ind. He holds a Bachelor's degree in Business Administration from ONU and a Master's in Sport Administration from Kent State University.