Stefan Defregger joined Chris Gbandi's staff in August in 2024.

Defregger joins the Huskies program after spending this past year as an assistant coach at the University of New Hampshire.

Prior to his time at UNH, Defregger served as an assistant coach at Northeastern University from 2018 to 2023. During his time at Northeastern, he served as the interim head coach twice, helping lead the Huskies to 18 All-Conference honors, five All-Region accolades, one Rookie of the Year and six student-athletes on to professional soccer careers. 
 
Defregger has also had coaching stints at Seacoast United MLS Next team as the head coach and at the University of Rochester where he was an assistant coach. While at Rochester, Defregger was a member of the 2017 University Athletic Association Coaching Staff of the Year as the team advanced to the Division III Elite 8 for the first time in program history. 

Defregger attended Dartmouth College where he helped the Big Green to Ivy League Championships in 2011 and 2014. He graduated from Dartmouth in 2015 with a Bachelor of Arts degree in Sociology and Economics and earned his Master of Science degree in Sports Leadership from Northeastern in 2022. He played pro in the USL with Wilmington (2015-16) and Rochester (2017).