Who presides over a senate impeachment trial?

So far, only two chief justices have presided over a Senate impeachment trial. When President Andrew Johnson was impeached by the House in 1868, the Senate trial was presided over by Chief Justice Salmon P. Chase. In 1998, following the impeachment of President Bill Clinton, the Senate trial was presided over by Chief Justice William Rehnquist. read more

The Chief Justice of the United States (Supreme Court) presides over a US Presidential impeachment trial; an "Impeachment Trial Committee" comprising Senators selected by the Presiding Officer of the Senate* is in charge of all other impeachment trials, and the Presiding Officer of the Senate makes decisions about questioned points of order. read more

The Senate has used trial committees on only three occasions in the 1980s to assist with fact-finding regarding impeachment articles approved by the House against three federal district judges. Before the Senate and in federal court, all three judges challenged the legitimacy of trial committees. read more