- Born: 09. March 2007
- Weapon arm: Left
- Height: 195 cm
- Club: Habda Fencing Club, Helsinki
- Member of Finnish Junior National Team
- Member of Finnish Senior National Team
- Fencing coach: Teemu Seeve
- Physical trainer: Markus Saaristo
- Email: kerkkojarvi@gmail.com
- Phone: +358 45 358 8600
- Manager: support@kerkkojarvi.fi
