On Friday, July 8, 2016, starting at 14.30u, Trynke Keuning and Marieke van Geel (University of Twente) will defend their thesis entitled ‘Implementation and Effects of a Schoolwide Data-Based Decision Making Intervention: a Large-Scale Study’. All ICO Members are cordially invited to be present at PhD graduation ceremony at the Prof. dr. G. Berkhoffzaal, Building Waaier, University of Twente.