Willem-Jan Hahn

Willem-Jan Hahn is the Chief Marketing Officer (CMO) and DGA (Directeur-grootaandeelhouder, which translates to Director-Major Shareholder) at OUTGROW - Strategic Marketing Agency.4 OUTGROW is a strategic marketing agency based in North Holland, Netherlands, that focuses on sales-driven marketing using growth hacking and artificial intelligence techniques.12 The company helps businesses create interactive content such as calculators, quizzes, recommendations, polls, and chatbots to engage customers and generate leads.3 Willem-Jan Hahn's LinkedIn username is willemjanhahn, as mentioned in the query.