Martijn is a Partner with Regeneration.VC, an early stage venture capital firm investing in companies based on circular and regenerative principles. Previoiusly he served as CEO of Circle Economy and impact organisation our of Amsterdam that works with nations, cities and businesses to facilitate the transition to a circular Economy. Martijn is a serial entrepreneur who has built a number of successful companies in software, mobile and digital media in California. After he came back to the Netherlands he decided to focus his energy on transitioning the world from a “take, make and dispose” linear economy to a circular economy in which materials can be upcycled and re-used. The last six years he has served as the CEO of Black Bear, a circular economy company that retrieves high value materials from end-of-life tires. Black Bear was selected as one the WEF Technology Pioneers and a Cleantech 100 company. Martijn is also an entrepreneur-in-residence with YES!Delft and serves on the boards of Circle Economy and Parkbee. He is a frequent speaker at conferences such as TEDx and Start-up fest. Martijn holds an MSc in Applied Physics from TU Delft and an MBA from Harvard Business School.