Harmen Tjaarda | MMA
Harmen Tjaarda
SVP Strategic Development and Customer Success

Harmen Tjaarda is SVP Strategic Development and Customer Success for GumGum EMEA. Before the acquisition, Harmen held the position of Chief Revenue Officer and Managing Director of JustPremium in North America and LATAM. He has worked alongside CEO, Eric Visser from the very first days of JustPremium. Harmen is a world-class expert in the field of Programmatic Display and has years of demonstrated history of leading various trading teams. Before joining the advertising world, Harmen had a successful career in finance and has worked as financial trader on the Stock Exchange. In 2013, Harmen re-locates from Amsterdam to New York with the mission to expand JustPremium’s business in the West Globe and establish JustPremium as the standard for programmatic Rich Media in the region.