Miranda Ballentine has devoted her career to accelerating the role of advanced energy in national security, economic prosperity, and solving climate change. She is currently the CEO of Renewable Energy Buyers Alliance (REBA), a community of large clean energy buyers, energy providers, service providers, and NGOs, who are working together to build a resilient, zero-carbon energy system where every organization has a viable, expedient, and cost-effective pathway to renewable energy.

Prior to REBA, Miranda served as Walmart’s Director of Sustainability for Renewable Energy where she led a global team to achieve Walmart’s 100% renewable energy goal. From 2014-2017, Miranda served President Obama as Assistant Secretary of Air Force (Installations, Environment & Energy) where she was responsible for a $9B energy budget and launched an initiative for developing clean, cyber-secure microgrids. She later held positions as CEO of Constant Power and Managing Director of Rocky Mountain Institute’s Business Renewables Center before taking her current role with REBA. In 2013, Miranda was selected to join World Economic Forum’s Young Global Leaders, and she is the Women’s Council on Energy and the Environment’s 2020 Woman of the Year. She has a BS from Colorado State University and an MBA from George Washington University.