U.S. President Barack Obama has appoint Kevin Concannon to the government’s public nutrition programs such as school lunch and food stamps, and Rajiv Shah to oversee agricultural research and education, the White House said on Friday.

Concannon is director of the Iowa Department of Human Services. The service is responsible for Medicaid, food assistance and low-income programs. He held similar positions in Maine and Oregon before appointment to the Iowa post in 2003.

Shah is director of agricultural development for the Bill and Melinda Gates Foundation, which awards grants to improve food quality and output in developing nations. In a previous post at the foundation, he helped develop and launch a project that raised $5 billion for child immunization. A medical doctor, Shah was medical advisor in Al Gore’s presidential campaign in 2000.

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