Tristan Hagen works as an actuarial consultant at Meyerthole Siems Kohlruss (MSK). Before joining MSK, he completed a bachelor's and master's degree in mathematics with a minor in economics at the University of Bonn. The title of his master's thesis was "The existence of traveling waves in the critical case for a F-KPP system with dormancy". His focus at MSK is on Solvency II and pricing.