Final answer:
The White House Chief of Staff should work in a collaborative and diplomatic manner, while also being efficient and organized to effectively manage the President’s agenda and ensure the operation of the White House Office.
Step-by-step explanation:
Two phrases that best describe the way the White House Chief of Staff should work are Collaborative and diplomatic, and Efficient and organized. The role requires a harmonious balance between working with others, especially in high-stakes political environments, and maintaining an organized approach to managing the President's agenda and the White House Office. The Chief of Staff's responsibilities can include strategic planning, which often calls for a strategic and visionary approach, as well as a necessity for being analytical and detail-oriented to navigate complex issues and ensure the White House operates smoothly. Considering the insights into the historic styles of past presidents like George Washington, who valued accountability, diligence, and speed, as well as the organization of the White House staff, these qualities are essential for effective leadership within the Executive Office of the President.