The Columbus, Ohio, native served as captain of the Upper Arlington High School tennis team his senior season, helping lead the group to a state runner-up finish while earning team MVP honors. During his two seasons at Colby College, Zunshine earned a spot on the All-Sportsmanship team in the New England Small College Athletic Conference.
Zunshine was coached by former Ohio State head coach Chuck Merzbacher since he was eight years old. Along with working in the Columbus area as a youth coach, Zunshine has coached at Ohio State tennis camps the past three years.
Zunshine is majoring in history at Ohio State.