President Donald Trump has been busy selecting nominees for his Presidential Cabinet. Here’s a look at what their roles will be and their backgrounds.

Transportation Secretary Elaine Chao

Role

“The Office of the Secretary (OST) oversees the formulation of national transportation policy and promotes intermodal transportation. Other responsibilities range from negotiation and implementation of international transportation agreements [and] assuring the fitness of US airlines,” according to Transportation.gov. 

Career experience

• U.S. labor secretary, 2001 to 2009

Education Secretary Betsy DeVos

Role

“The Secretary is responsible for the overall direction, supervision, and coordination of all activities of the Department and is the principal adviser to the President on Federal policies, programs and activities related to education in the United States.,” according to Ed.gov.

Career experience

• Chairwoman of the Michigan Republican party, 1996 to 2000

Labor Secretary nominee Andrew Puzder

Role

“[The labor secretary’s role is to lead the Department of Labor. The department’s mission is] to foster, promote, and develop the welfare of the wage earners, job seekers, and retirees of the United States; improve working conditions; advance opportunities for profitable employment; and assure work-related benefits and rights.

Career experience

• CKE Restaurants Executive Vice President, 1995 to 2000

Ben Carson, Housing and Urban Development Secretary nominee

Role

“Unlike the heads of private organizations, many of the duties and requirements that the Secretary must fulfill are dictated by laws. With the few exceptions noted, all powers and functions of the Department of Housing and Urban Development are vested in the Secretary,” according to HUD.org.

Career experience

• Neurosurgeon, 1983 to 2013

Energy Secretary nominee Rick Perry

Role

“[The energy secretary’s role is to lead] the Energy Department. [The department’s mission] is to ensure America’s security and prosperity by addressing its energy, environmental and nuclear challenges through transformative science and technology solutions.,” according to Energy.gov.

Career experience

• Agriculture commissioner, 1990 to 1998

• Governor of Texas, 2000 to 2015

C.I.A. Director Mike Pompeo

Role

“Director of [the C.I.A. serves] as head of the United States intelligence community; [acts] as the principal adviser to the president for intelligence matters related to the national security; and [serves] as head of the [C.I.A],” according to CIA.gov.

Career experience

• U.S. Representative, 2010 to 2016

Interior Secretary nominee Ryan Zinke

Role

“[Leads] Department of the Interior, [which] protects and manages the nation’s natural resources and cultural heritage; provides information about those resources; and honors its trust responsibilities…to American Indians, Alaska Natives, and affiliated island communities.,” according to DOI.gov.

Career experience

• U.S. Representative, 2014 to 2016

Agriculture Secretary nominee Sonny Perdue

Role

“[Lead U.S. Department of Agriculture, which provides] leadership on food, agriculture, natural resources, rural development, nutrition, and related issues based on public policy, the best available science and effective management.” according to USDA.gov.

Career experience

• Governor of Georgia, 2002 to 2010

Rex Tillerson, secretary of state nominee

Role

“The secretary of state…is the president’s chief foreign affairs adviser,” according to State.gov. “The secretary carries out the president’s foreign policies through the State Department and the Foreign Service of the United States.”

Career experience

• ExxonMobil chief executive, 2006 to 2016

Treasury Secretary nominee Steven Mnuchin

Role

“[Lead] the Treasury Department, [which] is the executive agency responsible for promoting economic prosperity and ensuring the financial security of the United States,” according to Treasury.gov.

Career experience

• OneWest CEO and chairman, 2009 to 2015

Defense Secretary James Mattis

Role

“The secretary of defense is the principal defense policy advisor to the president. Under the direction of the president, the secretary exercises authority, direction and control over the Department of Defense,” according to Defense.gov. “The national security depends on [the department’s] defense installations and facilities being in the right place, at the right time, with the right qualities and capacities to protect our national resources.”

Career experience

• Commander of U.S. Central Command, 2010 to 2013

John Kelly, secretary of homeland security

Role

“The office of the [defense] secretary oversees Department of Homeland Security efforts to counter terrorism and enhance security, secure and manage [America’s] borders while facilitating trade and travel, enforce and administer [America’s] immigration laws, safeguard and secure cyberspace, build resilience to disasters and provide essential support for national and economic security,” according to dhs.gov.

Career experience

• Commander of U.S. Southern Command, 2012-2016

Attorney General nominee Jeff Sessions

Role

“The mission of the Office of the Attorney General is to supervise and direct the administration and operation of the Department of Justice, including the Federal Bureau of Investigation, Drug Enforcement Administration, Bureau of Alcohol, Tobacco, Firearms and Explosives, Bureau of Prisons, Office of Justice Programs and the U.S. Attorneys and U.S. Marshals Service, which are all within the Department of Justice,” according to Justice.gov.

Career experience

• U.S. Senator, 1997 to 2016

Commerce Secretary nominee Wilbur Ross

Role

“The Secretary of Commerce serves as the voice of U.S. business within the President’s Cabinet. The department works with businesses, universities, communities and the nation’s workers to promote job creation, economic growth, sustainable development and improved standards of living for Americans,” according to Commerce.gov. The department has 12 bureaus located around the world and focuses on five goal areas, according to the website.

Career experience

• Investor with Invesco

Scott Pruitt, Environmental Protection Agency administrator nominee

Role

“The mission of EPA is to protect human health and the environment,” according to epa.gov. This is accomplished by tactics including developing and enforcing regulations, giving grants, studying environmental issues, sponsoring partnerships, publishing information and teaching people about the environment, according to the website.

Career experience

• Oklahoma state senator, 1998-2006

• Oklahoma attorney general, 2010 to present

U.N. Ambassador Nikki Haley

Role

“The [U.N. ambassador is] the primary face of America to the world, representing the country’s interests at the Security Council on a host of issues that include Middle East peace and nuclear proliferation,” according to a Jan. 17 New York Times article. The ambassador also informs U.S. officials about U.N. happenings and advises the president and State Department about what actions the U.S. should take, according to a June 20, 2005 ABC News article.

Career experience

• Governor of South Carolina, 2011 to present

Tom Price, Health and Human Services Secretary nominee

Role

“The Department of Health and Human Services is the principal federal agency charged with protecting the health of all Americans and providing essential human services,” according to WhiteHouse.gov. This is accomplished by tactics including investing in science, improving health care services and providing services to vulnerable populations, according to the website.

Career experience

• U.S. representative of Georgia’s sixth district, 2002 to present