In alphabetical order by title:
Cabinet Positions
Attorney General Eric H. Holder Jr.
Secretary of Agriculture Tom Vilsack
Secretary of Commerce Bill Richardson
Secretary of Defense Robert M. Gates
Secretary of Education Arne Duncan
Secretary of Energy Steven Chu
Secretary of Health and Human Services Tom Daschle
Secretary of Homeland Security Janet Napolitano
Secretary of Housing and Urban Development Shaun Donovan
Secretary of Interior Ken Salazar
Secretary of Labor Hilda L. Solis
Secretary of State Hillary Rodham Clinton
Secretary of Transportation Ray LaHood
Secretary of Treasury Timothy F. Geithner
Secretary of Veterans Affairs Eric K. Shinseki
The Times lists the following people under "other key positions," beyond the cabinet, in alphabetical order by title:
Other Key Positions
Assistant for Legislative Affairs Phil Shiliro
Chief of Staff Rahm Emanuel
Director of National Economic Council Lawrence H. Summers
Environmental Protection Agency Administrator Lisa P. Jackson
National Security Adviser James L. Jones
Office of Management and Budget Director Peter R. Orszag
United Nations Ambassador Susan E. Rice
White House Coordinator of Energy and Climate Policy Carol M. Browner
White House Counsel Gregory B. Craig
White House Press Secretary Robert Gibbs
Finally, there is a list at the bottom of the page called "Other Likely Top Advisers," which is probably where one or two "real" sources of influence are creeping through even as we speak.
New York Times