As of February 18, President Trump's Cabinet Nominations [click here] for a Wikipedia link that includes Bio's etc.

Staff Positions

1. Chief of Staff - Reince Priebus
2. National Security Advisor - Vacant
3. Chief Strategist - Stephen Bannon

Cabinet Level Positions

1. Secretary of State - Rex Tillerson [Confirmed]
2. Secretary of Treasury - Steve Mnunchin [Confirmed]
3. Attorney General - Jeff Sessions [Confirmed]
4. Secretary of Defense - James Mattis [Confirmed]
5. Secretary of Interior - Ryan Zinke
6. Secretary of Agriculture - Sonny Perdue
7. Secretary of Commerce - Wilber Ross
8. CIA Director - Mike Pompeo
9. Secretary of Health and Human Services - Tom Price [Confirmed]
10. Secretary of Housing and Urban Development - Ben Carson
11. Secretary of Energy - Rick Perry
12. Secretary of Education - Betsy Devos [Confirmed]
13. Secretary of Transportation - Elaine Chao [Confirmed]
14. Secretary of Veterans Affairs - David Shulkin [Confirmed]
15. Director of Homeland Security - John Kelly [Confirmed]
16. Administrator of Small Business Administration - Linda McMahon
17. Administrator of the Environmentap Protection Agency - Scott Pruitt
18. Secretary of Labor - R. Alexander Acosta
19. Director of the Office of Management and Budget - Mich Mulvaney

Other Posts:

1. White House Counsel - Donald McGahn
2. UN Ambassador - Nikki Haley [Confirmed]