WASHINGTON -- The Obama administration picked Goldman Sachs Group Inc. Vice Chairman Robert Hormats to be the State Department's undersecretary for economic, energy and agricultural affairs, the White House announced Friday.

Mr. Hormats, if confirmed by the Senate, will buttress Secretary of State Hillary Clinton's campaign to use economic, trade and environmental issues to redefine Washington's relationship with nations such as China, India and Russia, said administration officials.

Mr....