David J. Hayes is an American attorney and legal scholar who serves in the Biden Administration as Special Assistant to the President for Climate Policy. Hayes has led White House work on clean energy deployment issues,climate resilience and greenhouse gas emission reduction and carbon sequestration initiatives. Hayes also has assisted in developing and implementing the climate-related provisions included in the Infrastructure Investment and Jobs Act and the Inflation Reduction Act.
Barack Obama assumed office as the 44th president of the United States on January 20,2009,and his term ended on January 20,2017. The president has the authority to nominate members of his Cabinet to the United States Senate for confirmation under the Appointments Clause of the United States Constitution.
The Office of the Special Envoy to Monitor and Combat Antisemitism is an office of the Under Secretary for Civilian Security,Democracy,and Human Rights at the United States Department of State. The office "advances U.S. foreign policy on antisemitism" by developing and implementing policies and projects to support efforts to combat antisemitism.
Arunava Majumdar is a materials scientist,engineer,and the inaugural dean of the Stanford Doerr School of Sustainability. He was nominated for the position of Under Secretary of Energy in the United States between November 30,2011,and May 15,2012.
John Joseph Sullivan is an American attorney and government official who served as the United States Ambassador to Russia from 2020 to 2022,and who previously served as the 19th United States Deputy Secretary of State from 2017 to 2019. A member of the Republican Party,Sullivan served as Acting United States Secretary of State from April 1,2018,to April 26,2018,following President Donald Trump's dismissal of Secretary of State Rex Tillerson on March 13,2018,until Tillerson's official successor,Mike Pompeo,was sworn in. Tillerson did not officially leave office until March 31,2018. Sullivan,however,was delegated all responsibilities of the Secretary of State beginning March 13.
The Office of Nuclear Energy (NE) is an agency of the United States Department of Energy which promotes nuclear power as a resource capable of meeting the energy,environmental,and national security needs of the United States by resolving technical and regulatory barriers through research,development,and demonstration.
Michael Lee Connor is an American politician,lawyer and engineer. He had served as the United States Assistant Secretary of the Army for Civil Works,and served as the United States Deputy Secretary of the Interior from 2014 to 2017,among other positions in United States Department of the Interior.
Elizabeth D. Sherwood-Randall is an American national security and energy leader,public servant,educator,and author who served as the 11th United States Homeland Security Advisor in the Biden administration from 2021 to 2025. She previously served in both the Clinton and Obama administrations and held appointments at academic institutions and think tanks.
Colin Hackett Kahl is an American political scientist who served as under secretary of defense for policy in the Biden administration from April 28,2021,to July 17,2023. Previously,he served as national security advisor to the vice president under then-Vice President Joe Biden (2014–2017). After the Obama administration,Kahl served as a Steven C. Házy Senior Fellow at Stanford University.
Christine E. Wormuth is an American defense official and career civil servant who served as the United States secretary of the Army from 2021 to 2025. A member of the Democratic Party,she is the first female United States secretary of the Army.
Andrea Joan Palm is an American government health advisor who served as the United States Deputy Secretary of Health and Human Services in the Biden administration from 2021 to 2025. Previously,Palm served as secretary-designee of the Wisconsin Department of Health Services from 2019 to 2021 in the administration of Governor Tony Evers,an office she was never sworn into due to Republican opposition in the Wisconsin Senate.
Adewale O. "Wally" Adeyemo is an American attorney. He served as the United States deputy secretary of the treasury during the Presidency of Joe Biden. He was the first president of the Obama Foundation and served during the Obama administration as the deputy national security advisor for international economics from 2015 to 2016 and deputy director of the National Economic Council.
Joe Biden assumed office as the 46th president of the United States on January 20,2021,and his term ended on January 20,2025. The president has the authority to nominate members of his Cabinet to the United States Senate for confirmation under the Appointments Clause of the United States Constitution.
Kathleen Anne Holland Hicks is an American civil servant who served as the United States deputy secretary of defense from 2021 to 2025. She is the first Senate-confirmed woman in this role and is the highest-ranking woman to have served in the United States Department of Defense.
Brian Patrick McKeon is an American attorney and national security advisor who served as the Deputy Secretary of State for Management and Resources in the Biden Administration from March 2021 to December 2022.
Frank A. Rose served as the Principal Deputy Administrator of the National Nuclear Security Administration in the Biden administration from August 2021 to April 2024. From 2018 to 2021,he was co-director of the Center for Security,Strategy,and Technology at the Brookings Institution. Previously Rose served as the Assistant Secretary of State for Verification,Compliance,and Implementation in the Obama administration from December 2014 to January 2017.
Meredith Ashley Berger is an American government official who had served as the United States Assistant Secretary of the Navy for Energy,Installations,and Environment. From August 25,2021,until April 13,2022,she concurrently served as the designated official performing the duties of the United States Under Secretary of the Navy.
Marvin L. Adams is a nuclear engineer and computational physicist. Since April 2022,he has served as Deputy Administrator for Defense Programs at the National Nuclear Security Administration (NNSA) in the Biden administration.
