Wynder attended Fairfield University where he was selected a Second Team All-MAAC in 1987 and helped lead the Stags to back-to-back MAAC Championships and NCAA Tournament appearances in 1986 and 1987.

[2] Wynder played for the Boston Celtics in National Basketball Association during the 1990–91 NBA season.

Wynder helped USA win a silver medal in the 1995 Pan American Games in Mar del Plata, Argentina.

During the tournament Wynder set the US basketball record for 3-point shooting accuracy hitting 8-of-12 or 66.7 percent of his 3-point shots.

[3] Wynder is the fourth head coach of the Nassau Community College men's basketball team.