Stefan Hentzen

Stefan Hentzen is a sales manager at ShowHeroes since August 2023, focusing on video advertising sales to media agencies and direct advertisers. Previously, Stefan served as a business manager at UM Nederland from September 2018 to July 2023, where responsibilities included managing key accounts and enhancing client satisfaction. Additionally, Stefan held roles as a campaign manager, working on notable clients such as Spotify and Innocent, and as the owner of Steefs Services, a Bol.com selling partner from April 2021 to January 2023. Earlier experience includes being a shift leader at New York Pizza and conducting research on location-based advertising technologies at Adcombi. Stefan's educational background includes a bachelor's degree in business studies from Inholland University of Applied Sciences and a Havo diploma from Huygens College.