Who is the Chief Justice of the United States as of October 2023?

As of October 2023, the Chief Justice of the United States is John Roberts. He was appointed to the position in 2005 and has served since then. The Chief Justice plays a crucial role in leading the Supreme Court, overseeing its operations, and presiding over oral arguments, in addition to shaping the judicial agenda through the selection of cases that the court will hear.

John Roberts is also responsible for the administration of the court and has significant influence in judicial matters through his role in writing opinions, especially when he is in the majority. His leadership has seen the court address several key legal issues that impact a wide array of policy areas.

The other names referenced in the question are all notable figures on the Supreme Court, but they do not hold the position of Chief Justice. Ruth Bader Ginsburg served as an Associate Justice until her passing in 2020, Clarence Thomas is also an Associate Justice with a long tenure on the court, and Elena Kagan, another Associate Justice, is known for her contributions but does not serve as Chief Justice.