Miranda A.A. Ballentine is the Assistant Secretary of the Air Force for Installations, Environment, and Energy, Headquarters U.S. Air Force, the Pentagon, Washington, D.C. Ms. Ballentine is responsible for the oversight, formulation, review and execution of plans, policies, programs and budgets for installations, energy, environment, safety and occupational health.   

Prior to assuming her current position, Ms. Ballentine served as the Director of Sustainability for Global Renewable Energy and Sustainable Facilities at Walmart Stores, Inc. In this role, she developed and executed global strategies to reduce operating expenses in over 10,000 facilities in over 25 countries. Through acceleration of renewable energy, energy efficiency, and sustainability, Ms. Ballentine identified over $1 billion in potential annual expense reductions and 9 million metric ton of potential avoided greenhouse gas emissions. 

Prior to joining Walmart, Ms. Ballentine was Vice President for Investor Analysis and Chief Operating Officer at David Gardiner & Associates, where she informed multi-million dollar investment decisions by analyzing companies’ off-balance sheet risks and opportunities, including climate and energy programs, environmental management, labor relations, diversity, and corporate governance.

Ms. Ballentine previously served as the chair of the World Economic Forum’s Global Growth Action Alliance’s Renewable Energy Working Group, as well as a number of non-profit boards, including the Sustainability Consortium’s External Relations Committee; the NetImpact Corporate Advisory Council; and the George Washington University’s Institute for Sustainability Research, Education, and Policy Advisory Board.

In 2013, Ms. Ballentine was selected by the World Economic Forum for membership in its Forum of Young Global Leaders. Ms. Ballentine also serves as a guest lecturer at a number of national business schools, including Duke University, University of North Carolina, and George Washington University.

1996 Bachelor of Science Degree in Psychology, Colorado State University, Magna cum Laude
2004 Master of Business Administration in Environmental Management and Policy and International Business, George Washington University

1. 2001 – 2004, Operations Director, Solar Electric Light Fund, Washington, D.C.
2. 2003 – 2008, Vice President of Investor Analysis and Chief Operation Officer, David Gardiner & Associates, LLC, Washington, DC.
3. 2008 – 2014, Director of Sustainability for Renewable Energy and Sustainable Buildings, Walmart, Washington, D.C. 
4. 2014 – present, Assistant Secretary of the Air Force for Installations, Environment, and Energy

(Current as of October 2014)