Marten Roorda is the Chief Executive Officer of ACT since October 1st, 2015. ACT, headquartered in Iowa City, USA, is the world market leader in assessment of college and career readiness, and the world research leader in adaptive learning and learning analytics. Before joining ACT, Marten has been the CEO of Cito for thirteen years, an international organization in educational measurement, based in the Netherlands. In 2006 he co-founded Kryterion, the first company in the world to offer online proctoring, and currently market leader. In 2011 he co-founded OAT Technologies in Luxemburg, home of the world-leading open source test platform TAO. Marten Roorda has been a member of the Board of Directors of the Association of Test Publishers for ten years, and was their Chair in 2010. In 2016 he received the Professional Contributions and Service to Testing Award of the ATP. Prior to working at Cito, Marten had several positions in the publishing industry, at VNU and Reed Elsevier among others. Marten holds a master’s degree in language and literature at Utrecht University.