Sonia Medina

Executive Director, Climate Change

Sonia oversees CIFF’s Climate Change portfolio, which includes our work on Energy Decarbonisation, Cities, Air Quality, Industrial Decarbonisation, Fluorinated Gases and Land Use.

Prior to joining CIFF, Sonia acted as Chief Operating Officer of a start-up company with a mission to connect Africa to the green energy economy by developing high-quality biomass supply chains deriving from existing plantations in West Africa. 

Previously, Sonia worked at EcoSecurities, one of the largest carbon offset project developers in the world, from its start-up phase through to its acquisition by J.P. Morgan & Chase in early 2010. During a seven year period at EcoSecurities she held the position of US Country Director based out of New York and before that Global Head of Origination managing 20 local teams on five continents. 

Prior to joining EcoSecurities, Sonia worked on climate change and energy issues at the United Nations Environment Program in Paris. Sonia holds a BSc in Environmental Sciences from the University of Madrid, a MSc in Environmental Change and Management (specialisation in Energy and Environmental Economics) from the University of Oxford and an Executive MBA by the London Business School.  

In 2009, Sonia was named a World Business Council for Sustainable Development Future Leader; in 2014, a World Economic Forum Young Global Leader; and in 2015, a Rising Talent by the Women’s Forum for the Economy & Society. 

Sonia sits on the Board of ClientEarth, who use litigation to tackle climate change and protect the environment, Iniciativa Climatica Mexico, a think tank and re-granter focused on driving ambitious climate policy in Mexico, and Carbon Disclosure Project, which supports companies and cities to disclose the environmental impact of major corporations.