CEO and Senior Climate Strategist at Sustainable Advantage AB | SwedenBjörn Sigurdson is CEO and Senior Climate Strategist at Sustainable Advantage AB in Stockholm as well as World Champion City Climate Work. He was working for the city of Uppsala, which was awarded “Global Winner of One Planet City Challenge 2018” by WWF and an international jury. Today, Björn Is putting his 25 years of experience from two cities to the service of all cities. Together with his colleagues, he develops digital tools for analysis and visualisation to support climate strategies, making climate work easy. Björn is passionate about stakeholder collaboration to effectively meet and solve the climate challenge, and believes that cities play an active role in nurturing this collaboration.