• Won a bronze medal (2019) at Under-18 Men's World Championship
• Sister, Emma Vlasic, played four years for Yale University including serving as captain her senior year. Emma currently plays for the Connecticut Whale (NWHL)
• Brother, Eric Vlasic, was named 2016 Player of the Year with the Chicago Blackhawks Special Hockey Program. 
• Drafted by Chicago Blackhawks in the second round, 43rd overall in the 2019 NHL Draft

2019 IIHF Under-18 Men's World Championship (Bronze)

2018 Under-18 Five Nations (3rd place)

2018 Under-18 Five Nations (1st place)

• Notched three assists in four appearances

2018 Under-17 Five Nations (1st place)

2017 Under-17 Four Nations (1st place)

• Tallied three points (1-2-3) in six games

2023-24 — Chicago Blackhawks (NHL)

• Appeared in 76 games
• Tallied two goals and 14 assists for 16 points

2022-23 — Chicago Blackhawks (NHL)

• Appeared in six games
• Tallied one assist

2022-23 — Rockford Ice Hogs (AHL)

• Appeared in 56 games
• Tallied two goals and 17 assists for 19 points

2021-22 — Chicago Blackhawks (NHL)

• Appeared in 15 games
• Tallied one goal and one assist for two points

Currently in second season (2019-21) with Boston University (Hockey East):

• 2020 one of seven players to play in all 34 games

Played two seasons (2017-19) with USA Hockey's National Team Development Program (NTDP):

• 2018 USA Hockey All-American Prospects Game participant
• 2018 finished 1st in Under-17 team goals scored by defensemen (9)

Attended USA Hockey Player Development Camp:

• Select 15