Center who was taken sixth overall in the 2015 NHL Draft by the New Jersey Devils after tallying 34 points in 37 games for the OHL's Sarnia Sting during the 2014-15 season.
He began his professional career with the Czech Extraliga's HC Bili Tygri Liberec during the 2013-14 season.
He helped the Czech national team place second at the 2014 World Junior U-18 Championship.
He was born in Brno, Czech Republic.
He and Connor McDavid became two of the top prospects in the 2015 NHL Draft.