Stefan Engl is co-founder & COO at Kjero, an engagement marketing company, and co-founder at Growth DNA, a growth hacking firm. Stefan started his entrepreneurial path as freelance web developer and co-founded four companies up to now. Aside from his engagement as serial entrepreneur Stefan does a great deal for the start-up ecosystem in Tyrol by supporting founders, building community and organizing different programmes like Start-up Class, Start Ahead or Founders Talk within his volunteering position as start-up representative at the Junge Wirtschaft Tirol. His professional interests and fields of expertise span product, operations, marketing, growth, machine learning & AI and he enjoys nature while climbing & skiing in the mountains.