Nelson played three years at Arsenal Technical High School and was a volunteer coach there after graduating. He has worked at several area schools, including Ben Davis High (freshman boys coach), the International School of Indiana (assistant boys and middle school coach), Zionsville Middle (boys coach) and Zionsville West Middle (boys coach). He is currently the freshman boys and assistant girls coach at Zionsville Community High School.
Nelson joined Team Witsken in 2001 at the start of the company and is the only person still with Team Witsken from its inception. Nelson started as an assistant pro at River Glen Country Club, where he started his coaching career. Nelson likes watching pro football and tennis; spending time with his wife, Rachel, and two kids, Lucy and Tim; and keeping up with the latest in technology and tennis.