Jakob is the founder of Greengas Concepts and Polarstern Energie, which are pioneers in developing sustainable energy and heating solutions. He is also the co-owner and managing director of Impact Hub Munich, which supports sustainable entrepreneurship and innovation. Before entering entrepreneurship, Jakob studied business administration and earned his Ph.D. at LMU Munich. 2:19 Jakob's career path: Jakob tells us about his journey to earn a Ph.D. and how this gave him time to reflect and figure out what he really wanted in life. He also shares his experience as a founder of two sustainable startups and explains his perspective on measuring impact. 26:52 Jakob's opinions about the future and entrepreneurship: Jakob shares his rather critical thoughts about the future and the climate crises and tells us why he thinks you should become an entrepreneur.