Miranda Ballentine is the CEO of REBA, an alliance of clean energy buyers, developers, service providers, and NGOs that are unlocking the marketplace for a cleaner, prosperous, zero-carbon energy future. REBA members were involved in 100 percent of corporate large renewables deals in 2018. Ballentine was previously CEO of Constant Power, a DER company, as well as managing director of RMI’s Business Renewables Center. From 2014-2017,  she served President Obama as assistant secretary of the Air Force (Installations, Environment, and Energy). She was responsible for a US$9 billion energy budget and launched the Resilient Energy Demonstration Initiative, developing clean, cyber-secure microgrids. Previously, Ballentine was Walmart’s director of sustainability for renewable energy. She led a global team to achieve Walmart’s 100 percent renewable energy goal, identifying more than US$1 billion in annual energy savings and 9 million metric tons of avoided GHGs.

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Tan Le is an innovator, inventor, and entrepreneur; she is the founder and CEO of EMOTIV. Born in South Vietnam, Le migrated to Australia as a refugee with her family in 1981. Le began university studies at the age of 16 and went on to complete a bachelor's degree with honors in law and commerce in 1998 at Monash University. In 1998, Le was named Young Australian of the Year and voted one of Australia's 30 Most Successful Women Under 30. Le's story was featured in the 'Hope' section of the Eternity Exhibition of the National Museum of Australia. Le has been featured in "Who's Who in Australia" List since 1999, Fast Company's Most Influential Women in Technology in 2010, and Forbes' 50 Names You Need to Know in 2011. Le has been honored by the World Economic Forum as a Young Global Leader since 2009. Le was named a National Geographic Emerging Explorer in 2013. She currently serves on the Board of Stewards on Shaping the Future of Information and Entertainment of the World Economic Forum and the Global Future Council on the Future of Neurotechnologies and Brain Science of the World Economic Forum.

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Beth A. Brooke-Marciniak serves on the Boards of eHealth, Inc, a public company that provides a leading private online health insurance marketplace and services to health insurance exchanges, and SHEEX, Inc., a private company that has transformed the bedding industry by creating bedding made of high-performance athletic fabrics. She retired as the Global Vice-Chair, Public Policy at EY and a member of the firm’s Global Executive Board. Brooke-Marciniak had public policy responsibility for the firm’s operations in over 150 countries and was the global sponsor for EY’s Diversity and Inclusiveness efforts. She is a prominent voice around the world on Diversity and Inclusion, most prominently on LGBT inclusion and women. She has been named 11 times to the Forbes’ World’s Most Powerful Women list. In 2017, Brooke-Marciniak received the Theodore Roosevelt Award, the top individual honor bestowed by the US National Collegiate Athletic Association (NCAA) and has also been inducted into the Indiana Basketball Hall of Fame. During the Clinton administration, she worked in the US Department of the Treasury, where she was responsible for all tax policy matters related to insurance and managed care. She played important roles in the healthcare reform and Superfund reform efforts.

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Greg Dalton founded Climate One at The Commonwealth Club in 2007 after traveling to the Arctic aboard a Russian ice breaker with climate scientists and journalists. Today, Climate One produces a weekly radio show broadcast on public stations in California and around the country, in addition to a rapidly growing weekly podcast. Climate One is the only regular talk show that engages high-level leaders from business, policy, advocacy, and academic circles in a conversation about building resilient communities, sustainable economies, and a healthier future. Previously, Dalton was a journalist for 12 years covering news in Beijing, Vancouver, New York, and San Francisco for the Associated Press, South China Morning Post, McNeil-Lehrer News Hour, and Industry Standard magazine.

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