Dr. Sweta Chakraborty is the CEO of North America, We Don’t Have Time. She is a partner at Pioneer Public Affairs. She is also the founder and principal of Adapt to Thrive, a venture that seeks to better inform individuals, businesses, and government entities on the complex, interconnected challenges, such as food insecurity and disease, already existing and emerging from a warming planet.

Nick Touran is a nuclear engineer with expertise in advanced nuclear reactor design, reactor development, and the history of nuclear power. After getting a Ph.D. at the University of Michigan, he spent 15 years at TerraPower in Seattle working on core design, business development, software development, and configuration management. He is a licensed professional engineer. Nick has been active in public education around nuclear since 2006 as the founder of whatisnuclear.com. He has spoken at numerous institutions, schools, and public events, and was featured on NPR's Science Friday. Recently, he has coordinated the digitization of over 25 historical nuclear films.

The Honorable Allison M. Macfarlane was sworn in as Chairman of the U.S. Nuclear Regulatory Commission on July 1, 2013. She was nominated by President Obama and confirmed by the Senate to a term expiring June 30, 2018. Her first term as both a Member and Chairman of the NRC began on July 9, 2012. Dr. Macfarlane, an expert on nuclear waste issues, holds a doctorate in geology from the Massachusetts Institute of Technology and a bachelor's of science degree in geology from the University of Rochester. Prior to beginning her term as the NRC's 15th chairman, Dr. Macfarlane was an associate professor of environmental science and policy at George Mason University in Fairfax, Va. From 2010 to 2012 she served on the Blue Ribbon Commission on America's Nuclear Future, created by the Obama Administration to make recommendations about a national strategy for dealing with the nation's high-level nuclear waste. Her research has focused on environmental policy and international security issues associated with nuclear energy, especially the back-end of the nuclear fuel cycle. In 2006, MIT Press published a book she co-edited, Uncertainty Underground: Yucca Mountain and the Nation's High-Level Nuclear Waste, which explored technical issues at the proposed waste disposal facility at Yucca Mountain, Nev. During her academic career, she held fellowships at Radcliffe College, MIT, and Stanford and Harvard Universities. From 1998 to 2000 she was a Social Science Research Fellow-MacArthur Foundation Fellow in International Peace and Security. She has served on National Academy of Sciences panels on nuclear energy and nuclear weapons issues. From 2003 to 2004, she was on the faculty at Georgia Tech in Earth science and international affairs. Dr. Macfarlane is the third woman to serve as chairman, the 33rd member and the only individual with a background in geology to serve on the Commission.

Jigar Shah was the Director for the Loan Program Office at the U.S. Department of Energy. In his role, Shah led and directed the Loan program Office focused on building a bridge to commercial financing for technologies that are ready to scale the transition to a global clean energy economy. He oversaw the planning and execution of the organization’s over $40B of authority within manufacturing, innovative project finance, and tribal energy.

Dr. Kathryn Huff is Professor and Chair of the Department of Nuclear, Plasma, and Radiological Engineering at the University of Illinois at Urbana-Champaign, where she leads research on advanced reactors, fuel cycles, and scientific computing. She previously served as the Assistant Secretary for the Office of Nuclear Energy at the U.S. Department of Energy, following roles as Principal Deputy Assistant Secretary and Senior Advisor in the Office of the Secretary.

I am Heather Hoff, mother to Zoe, a lifelong environmentalist, reactor operator, and procedure writer at Diablo Canyon Nuclear Power Plant for the last 20 years.