Bryant University

2020-21 (Freshman)
Appeared in five games off the bench ... Averaged 4.8 ppg and 2.2 rpg ... Scored 13 points in his Bryant debut vs Rhode Island College ... Had seven points and three rebounds in Bryant's NEC Semifinal victory.

Before Bryant
Joins the Bulldogs after a postgraduate year at Gould Academy in Maine, where he averaged 30 points per game while adding an average of 10 rebounds per contest ... Continued his NEPSAC career after playing his junior and senior years at the Taft School in Connecticut ... Competed for NE6 of the Under Armour Association ... Played soccer until the age of 14, competing in the Serie A Italy tournament.

Personal
Son of John and Sirpa Kostmayer ... Has one sister, Lumi, who competed on the United States U16 Girls Soccer Team ... Kai is a dual citizen of the United States and Finland.