Who is the Chief of Staff of the United States Army?

The Chief of Staff of the United States Army is a pivotal position responsible for overseeing the readiness, training, and administration of the Army. General James C. McConville, who is the correct answer, was appointed to this role in July 2019. His leadership is crucial for guiding the Army in meeting its strategic goals and ensuring that soldiers are prepared both for domestic and international operations. In this capacity, he works closely with the Secretary of the Army and provides critical advice to the President, the Secretary of Defense, and other military leaders.

The other individuals listed, while serving in significant roles within the Army or the Department of Defense, do not hold the position of Chief of Staff. For instance, Ryan McCarthy served as the Secretary of the Army, and Mark T. Esper was the Secretary of Defense, focusing on broader defense policies rather than specifically on Army matters. Colonel Mark Olsen, meanwhile, does not hold a position that equates to the Chief of Staff, which is typically a general officer role focused on high-level leadership and strategic direction for the Army. General McConville’s role reflects a combination of operational insight and strategic oversight essential for modern-day military leadership.