Klaske Kruk is the founder of Circularities, a company established in October 2017 that assists public authorities and organizations in implementing circular economy plans. Klaske also co-hosts BNR Duurzaam on BNR Nieuwsradio and serves as the chairman of the Sustainable Top 100 for Trouw. With extensive experience in sustainability, Klaske has held previous roles such as Director of Programs at Circle Economy, Program Lead for Sustainable Aid and Trade at SNV, and Program Lead for Sustainable Business at Urgenda. Klaske's career includes significant project management and leadership positions across various sectors, focusing on sustainable practices and innovative business solutions. Klaske holds a master's degree in Neuropsychology from the University of Amsterdam and has pursued additional education in leadership and project management.