A 5'9" guard, she played college basketball for Clemson University where she was an ACC All-Tournament Second Team in 2019.
Collier grew up in Augusta, Georgia[1] and attended Lucy Craft Laney High School where she starred at basketball and helped the team to the state title game in 2013 and 2015,[2] winning it in her senior season after posting 19 points, 8 assists and 7 steals in the championship game.
[3][1] In 2019, Collier signed with Clube União Sportiva of the Portuguese Liga Feminina de Basquetebol.
She helped the team post the best defense in the league, allowing only 57.5 points per game before the season was canceled due to the COVID-19 pandemic in Portugal.
In July 2021, Collier signed with newly promoted Njarðvík of the Icelandic Úrvalsdeild kvenna.
After Njarðvík started hot, it faded towards the end of the season and finished with the fourth best record in the league.