Josefina Cobián

Josefina is Program Manager for ClimateWorks’ Global Intelligence team. She co-manages a cross department initiative, the independent Global Stocktake which secretariat resides at ClimateWorks. As part of the Global Intelligence team, Josefina leads the development of new workstreams on climate impacts and the expansion of social, political, and economic work in Latin America and the Caribbean. She also manages exploratory work on AI and digital infrastructure and technologies. 

Josefina has more than 7 years of environmental work experience in government, private, and non-profit sectors in Mexico, Japan, Honduras, Ecuador and the US. Prior to ClimateWorks, she worked on climate change and forest policy as a project manager for the federal Commission of Forestry in Mexico and as an independent consultant with Mexico and Honduras. Additionally, she was a forest policy fellow at the Environmental Defense Fund where she co-wrote a paper published in Forests journal. Josefina holds a Master of Environmental Management degree from the Yale School of Forestry and Environmental Studies and an Environmental Engineering degree from ITESO University in Mexico. When not working on climate change issues, she enjoys traveling, exploring the bay area, baking and painting.

Jan Mazurek, Ph.D.

Jan Mazurek, PhD directs the Aviation and Carbon Dioxide Removal initiatives. She has worked on energy and environmental initiatives at the federal and state level for 30 years. Prior to ClimateWorks, Dr. Mazurek was appointed by then-Governor Schwarzenegger to serve as Science and Technology advisor to the California Air Resources Board. Dr. Mazurek recently served in her spare time on the Biden Climate/Energy/Environment Policy Committee. Before CARB, Dr. Mazurek was a member of the Obama-Biden Presidential Transition Team, advising on U.S. Environmental Protection Agency toxics, pesticides, and children’s health issues. She has published two books with the MIT Press and Johns Hopkins University presses, respectively, and more than 100 other publications, including op-eds in major U.S. newspapers. Dr. Mazurek has testified on environmental policy matters before U.S. Congressional subcommittees. She holds a doctorate from UCLA’s Luskin School of Public Affairs.