Gunnar Granberg is an accomplished professional with extensive experience in climate, sustainability, and business development. Currently serving as a Senior Consultant at Gullers Grupp since August 2021, Gunnar previously founded and led Sustainum AB as CEO, focusing on sustainable development strategies. Gunnar has held significant roles such as Head of Modeling and Head of Sales and Deputy CEO at ClimateView, and also founded SpaceTime Communication AB, which specializes in sustainable personal transportation systems. Earlier positions include serving as a Climate Expert and Research Secretary at the Swedish Council of Sustainable Development and conducting postdoctoral research at MIT, where Gunnar modeled trace gas emissions from wetland systems. Gunnar Granberg earned a Ph.D. in Climate Change Modelling from the Swedish University of Agricultural Sciences.