Ingmar Rentzhog is a notable entrepreneur and climate activist from Sweden. With a degree in Mathematics from Uppsala University and a degree in Management from Stockholm School of Economics, Ingmar has a strong educational background in business and finance. Over the years, he has served in various organizations, including Tankesmedjan Global Utmaning, FundedByMe, and Svenska Bostadsfonden, where he served as a member of the board. Ingmar is also the founder and CEO of We Don't Have Time, a social network that aims to unite individuals and communities in the fight against climate change. He has been recognized for his work on climate change by being appointed to positions such as a Climate Reality leader and an Omställningsambassadör (Change ambassador). Ingmar is also a former member of the advisory board of Climate & Capital Media and Goodwings.