The CleanTech Challenge Committee 2019-2020 Committee 2019-2020 Timo Koster – Chairman Thomas Crul – Treasurer & External Relations Arian Shadmanfar – Secretary & Event Manager Quinty Vermeer – Marketing Bas Walpot – Supervisor (ECE) Yvette Sol – Supervisor (YES!Delft Students) Els van der Valk- Supervisor (YES!Delft Students)