Robert Colburn enters his second year with the Regis College men's lacrosse program as an assistant coach for the 2023-24 academic year.

Colburn was a four-year letterwinner for the Franklin Pierce University men's lacrosse team from 2019 to 2022, finishing his career in the top 20 on the Ravens' all-time list for groundballs with 98. He started 35 of the 39 matches he appeared in, causing 52 turnovers along with his 98 groundballs. In a 10-9 victory at Saint Anselm April 6, 2022, Colburn collected four groundballs and four caused turnovers. 

He graduated from Franklin Pierce University in 2022 with his bachelor's degree in educational studies and history.