Identify which of the following members of the white house staff works closest to the president

A. National security advisor
B. Senior advisor
C. Vice president
D. Chief of staff

D. Chief of staff

D. Chief of staff

To identify which of the members of the White House staff works closest to the president, we can look at the roles and responsibilities of each position.

A. National security advisor: The national security advisor provides advice and guidance on national security matters, including foreign policy and defense issues. While they play an important role, they may not necessarily work closest to the president on a day-to-day basis.

B. Senior advisor: A senior advisor typically has a broad scope of responsibilities and is meant to provide guidance and support to the president on a wide range of policy issues. This position advises the president, but their level of proximity can vary depending on the administration.

C. Vice president: The vice president is second in command and typically works closely with the president on a variety of matters. However, their role is more formal and encompasses a broader range of responsibilities beyond just close working proximity.

D. Chief of staff: The chief of staff has a critical role in managing the president's schedule, overseeing staff operations, and serving as a gatekeeper for access to the president. They work closest to the president on a daily basis, handling many of the administrative and operational aspects of the presidency.

Based on the roles and responsibilities outlined, the correct answer would be:

D. Chief of staff