<Ul> <Li> Assistant to the President and Deputy Chief of Staff for Operations: Joe Hagin </Li> <Li> Assistant to the President and Deputy Chief of Staff for Policy Coordination: Chris Liddell </Li> <Li> Deputy Assistant to the President and Senior Advisor to the Chief of Staff: Zachary Fuentes </Li> </Ul> <Li> Assistant to the President and Deputy Chief of Staff for Operations: Joe Hagin </Li> <Li> Assistant to the President and Deputy Chief of Staff for Policy Coordination: Chris Liddell </Li> <Li> Deputy Assistant to the President and Senior Advisor to the Chief of Staff: Zachary Fuentes </Li>

Describe the functions of the white house staff