Martijn Lopes Cardozo 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 reused. In 2020 Martijn joined Circle Economy as CEO after serving on Board of the impact organisationfor several years. Before joining Circle Economy, he served as the CEO of Black Bear, a circular economy company that retrieves high-value materials from end-of-life tires. Martijn is also an entrepreneur-in-residence with YES!Delft and is also and is a frequent speaker at conferences such as WEF, COP, TEDx and Start-up fest. Martijn holds an MSc in Applied Physics from TU Delft and an MBA from Harvard Business School.