Jannik Blum is a Kruhlstutt politician and the founder of the Digital Ecology Front (DEF).
Blum led the green party in the 2009 and 2014 General Elections, campaigning on environmentalism, economic protectionism, and hostility to Kresimirian cross-border migration. In 2018, he stepped down as party leader; the DEF overwhelmingly elected Felix Haas as his successor.