Constantin joined the program at Lake Superior State immediately after their first National Championship.
As a senior, Constantin's offensive output dramatically improved and more than doubled his career totals.
[1] The Lakers received the 3rd western seed and the offense dominated in their first two contests, winning 7–3 and 8–3 to make the program's second Frozen Four.
After graduating, Constantin began his professional career in the Colonial Hockey League but ended up playing for four different teams during the year.
Once the 1998 season was over, he returned to North America and played parts of three years in low-level minor leagues before retiring in 2000.