[1][2] Gwyn started her basketball career at Amityville Memorial High School on Long Island.
[1][2][4] She achieved All-American status in 1978 and was a leading rebounder while at Queens College.
[1][2] Gwyn played for the USA Women's Team in the 1977 World University Games, under her Queens College coach Lucille Kyvallos.
[1] Gwyn went on to be inducted into the Queens College Athletics Hall of Fame in 2013, and was named a Trailblazer of basketball by the Women's Basketball Hall of Fame in 2018.
[2] After retiring from professional sports, Gwyn worked for the fire department of Fayetteville, North Carolina.