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Harmen Tjaarda


Harmen Tjaarda, SVP Strategic Development and Customer Success for GumGum EMEA, is a world-class expert in the field of Programmatic Display and has years of demonstrated history of leading various trading teams. Before JustPremium’s acquisition by GumGum in 2021, Harmen worked alongside Eric Visser from the very first days of JustPremium and held the position of Chief Revenue Officer and Managing Director in North America and LATAM. Before joining the advertising world, Harmen had a successful career in finance and was working as a 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.