Piche is no stranger to the Seton Hill lacrosse program as he was a four year player for the Griffins, ending his collegiate career after the 2015 season. He was a senior captain and member of the Griffins team that advanced to their first NCAA Tournament appearance in 2013 where he scored twice. He began his career as a midfielder before switching to attack his final two seasons. He was a member of the team's man up offense for four seasons.

On the field for the Griffins, Piche was named to the 2014 ECAC All Tournament Team as a junior. As a senior, Piche was a First Team All ECAC selection in addition to earning a second straight ECAC All Tournament Team selection. Marc also played in the 2015 USILA/Lax World D1/D2 North South game.

During his senior season, Piche was second on the team in scoring with 22 goals and a team high 13 assists as the Griffins earned the ECAC Regular Season championship. In the 2014 ECAC Championships, Piche scored three goals and added two assists to earn All Tournament Team honors. During his junior season, Piche led the Griffins with 24 assists while scoring 23 goals. Piche finished with 13 goals and 6 assists as a sophomore.

Since graduating, Marc has coached with Loose Ball and Low & Away, two travel teams in the Pittsburgh area in addition to being an assistant coach with South Jefferson Central School in New York.

Piche graduated from Seton Hill with a criminal justice and sociology degree. After graduation he pivoted to finance and was a branch manager and investment advisor for a Fortune 500 bank.