If I give you are list of who is part of the administration (it is very long), you will see.
CABINET MEMBERS & KEY ADVISORS
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National Security Adviser: Jake Sullivan: Obama’s Deputy Assistant and Director of Policy.
 Secretary of State:Antony Blinken: Obama’s Deputy National Security Advisor (2013-2015) and Deputy Secretary of State (2015-2017).
 Secretary of Homeland Security:Alejandro Mayorkas: Obama Director of US Citizenship and Immigration Services. He also managed staffing the DOJ Criminal Division
 Director of National Intelligence:Avril Haines: Was Obama’s Deputy Director of the CIA then Deputy National Security Advisor. Biden promoted her to DNI in 2021.
 Ambassador to the United Nations:Linda Thomas-Greenfield: Obama’s Director General of the Foreign Service and Assistant Secretary of State for African Affairs.
 Administrator, U.S. Agency for International Development (USAID) Samantha Power: Obama’s transition team for the State Department and his UN Ambassador (2013-2017)
 Deputy Secretary of State:Wendy Sherman: Obama’s Undersecretary of State for Political Affairs. Retired July 2023 and replaced by Victoria Nuland (acting)
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ECONOMIC POLICY & FINANCIAL OVERSIGHT
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Director, National Economic Council:(replaced in 2023 by the Vice Chair of the Federal Reserve, Lael Brainard.) Brian Deese: Obama's senior White House advisor, acting director of the Office of Management and Budget, and deputy director of the National Economic Council. Subsequently. Deese was Global Head of Sustainable Investing at BlackRock before joining the Biden administration.
 Secretary of the Treasury:Janet Yellen: Obama’s Chairman of the Federal Reserve and Biden’s appointment as Secretary of the Treasury.
 Chair, Council of Economic Advisers:Cecilia Rouse: Obama member of the Council of Economic Advisors promoted to the Chair by Biden in 2021. Replaced by Jared Bernstein in March 2023, she will be President of the Brookings Institute in 2024.
 Deputy Secretary of the Treasury:Adewale "Wally" Adeyemo: A Nigerian, Obama’s Deputy National Security Advisor for International Economics and deputy director of the National Economic Council, then head of the Obama Foundation.
 Member, Council of Economic Advisers:Jared Bernstein: VP Biden economic advisor during Obama years, then Biden appointed him Chairman of the Council of Economic Advisors.
 Chair, Securities and Exchange Commission:Gary Gensler: Obama Chair of the Commodity Futures Trading Commission then Chair of the Securities and Exchange Commission in 2021
 Attorney General:Merrick Garland: Obama nominee for Justice of the Supreme Court after death of Antonin Scalia. Senate refused to vote on his nomination. Biden then made Garland U.S. Attorney General in 2021.
 Secretary of Agriculture:Tom Vilsack: Obama Secretary of Agriculture, appointed by Biden in 2021.
 Secretary of Veterans Affairs:Denis McDonough: Obama’s Deputy National Security Advisor, then Chief of Staff. Biden appointed him in 2021.
 Director, Office of Science and Technology Policy:Eric Lander: Obama’s advisor on science and tech. Elevated to Cabinet in 2021. He resigned in 2022 for bullying, replaced by Alondra Nelson.
 Deputy Attorney General:Lisa Monaco: Obama Homeland Security Advisor, appointed by Biden to Deputy Attorney General in 2021.
 Associate Attorney General:Vanita Gupta: Obama Assistant Attorney General for Civil Rights. promoted by Biden to Associate Attorney General in 2021.
 Surgeon General:Dr. Vivek Murthy: Obama’s (and Trump’s) Surgeon General, reappointed by Biden in 2021.
 Chairperson, Council on Environmental Quality: Brenda Mallory: Obama General Counsel of the EPA, then promoted by Biden to Chair of Council on Environmental Quality.
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WHITE HOUSE AIDESÂ
 Chief of Staff:Ron Klain: Obama Ebola Response Coordinator. Replaced by Jeff Zients, Obama Director of OMB and Director of the National Economic Council.
 Director, Domestic Policy Council:Susan Rice: Obama’s National Security Advisor and UN Ambassador
 Special Presidential Envoy for Climate:John Kerry: Obama’s Secretary of State.
 National Climate Adviser:Gina McCarthy: Obama Administrator of the EPA.
 Director, Office of Legislative Affairs:Louisa Terrell: Was Obama’s Legislative Aide
 Counsel to the President:Dana Remus: Obama Deputy Assistant and Deputy Counsel for Ethics, then general counsel for the Obama Foundation and Michelle Obama.
 Comptroller General of the US:Gene Dodero (appointed by Obama and still in office)
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PPP: With all of those Obama people still working it creates a serious question of who is really in control.Â