Stephen Kretzmann is the Executive Director of Oil Change USA. He has investigated and exposed environmental and human rights crimes caused by the global fossil fuel industry for the last thirty years. He founded Oil Change International in 2005 to use data, advocacy and organizing to identify and defeat political and economic barriers to the clean energy transition. Mr. Kretzmann has authored numerous articles and reports, testified before U.S. Congress and is a regular media commentator on issues of corporate accountability, climate, and the true price of oil. Follow him on Twitter: @Kretzmann.