Finnish defender who began his NHL career with the Pittsburgh Penguins in 2013. He represented Team Finland at the 2014 Winter Olympics in Sochi.
He was selected 85th overall by SKA St. Petersberg in the 2011 KHL Draft.
He became the youngest ever Finnish hockey player to participate in the under-20 World Championships and held the record until Aleksander Barkov Jr. later broke it.
He started playing hockey for his hometown team's under 16 program.
He grew up with his parents in Jyvaskylä, Finland.