Jennifer M. Granholm was sworn in as the 16th Secretary of Energy on February 25, 2021, becoming just the second woman to lead the U.S. Department of Energy. Secretary Granholm will lead the Department in helping America achieve President Biden's goal of net-zero carbon emissions by 2050 by advancing cutting-edge clean energy technologies, creating millions of good-paying union clean energy jobs, and building an equitable clean energy future. Secretary Granholm also oversees DOE's core missions of promoting American leadership in scientific discovery, maintaining the nuclear deterrent and reducing nuclear danger, and remediating the environmental harms caused by legacy defense programs.

Kelly Speakes-Backman is the Principal Deputy Assistant Secretary and Acting Assistant Secretary for DOE's Office of Energy Efficiency and Renewable Energy. In her role, she leads and directs the Office of Energy Efficiency and Renewable Energy, focused on creating and sustaining American leadership in the transition to a global clean energy economy. She oversees the planning and execution of the organization's $2.8B portfolio of research, development, demonstration, and deployment activities in energy efficiency, renewable energy, and sustainable transportation.  

Gina McCarthy is the first National Climate Advisor—the President's chief advisor on domestic climate policy—and leads the White House Office of Domestic Climate Policy focused on mobilizing a whole-of-government approach to tackling the climate crisis, creating good-paying, union jobs, and securing environmental justice. Previously, she served as 13th Administrator of the Environmental Protection Agency and then as President and CEO of the Natural Resources Defense Council. One of the nation’s most trusted and accomplished voices on climate issues, she has been at the forefront of environmental and public health progress in a variety of leading roles for over three decades.

Brenda Mallory was confirmed by the United States Senate on April 14, 2021, and sworn in as the 12th Chair of the Council on Environmental Quality. She is the first African American to serve in this position. As Chair, she advises the President on environmental and natural resources policies that improve, preserve, and protect public health and the environment for America's communities. She is focused particularly on addressing the environmental justice and climate change challenges the nation faces while advancing opportunities for job growth and economic development. 

Andrew Mayock is the Federal Chief Sustainability Officer. In his role, he leads President Biden's efforts to improve the sustainability of the federal government, including by helping federal agencies prepare for and respond to the impacts of climate change on their operations and services. Andrew brings more than 25 years of public and private sector experience to the Biden Administration, including service in the Obama and Clinton Administrations.