Tom Vilsack was appointed by President Barack Obama as the 30th Secretary of the U.S. Department of Agriculture (USDA) and sworn into office on January 21, 2009. Vilsack is working hard to strengthen the American agricultural economy, to revitalize rural communities, to protect and conserve our natural resources, and to provide a safe, sufficient and nutritious food supply for the American people.

Dr. Robert M. Gates was sworn in on December 18, 2006, as the 22nd Secretary of Defense. Dr. Gates is the only Secretary of Defense in U.S. history to be asked to remain in that office by a newly elected President. President Barack Obama is the eighth president Dr. Gates has served.Secretary Gates has been awarded the National Security Medal, the Presidential Citizens Medal, has twice received the National Intelligence Distinguished Service Medal, and has three times received CIA's highest award, the Distinguished Intelligence Medal.

www2.scholastic.com/browse/article.jsp?id=4683
Chief Executive
Roles: The president is "boss" for millions of government workers in the Executive Branch, deciding how the laws of the United States are to be enforced and choosing officials and advisers to help run the Executive Branch.
www.c-spanclassroom.org/pdf/ws_rolesofthepresident.pdf

Role:

of his political party get elected or appointed to

office. The president campaigns for those

members who have supported his policies. At

the end of a term the president may campaign

for reelection with his party’s support.
In this role, the president helps members