Justin Johnson is Climate Director at the Children’s Investment Fund Foundation (CIFF) overseeing the cities, air quality, transport and European aspects of CIFF’s Climate portfolio.

Justin was appointed to the C40 Board in September 2018, replacing Sonia Medina. Justin has previously worked at Centrica plc, an international energy and services company, in a range of roles including Group Head of Strategic Projects and Group Director of Strategic Communications.

From 2003-2006 he worked in the UK Government as Specialist Advisor to the Minister of Environment and Climate Change.  Prior to that he worked as Head of Policy at the UK Business Council for Sustainable Energy.