There are two different possible answers. Officially, the president pro tempore is to preside. However, that title is now used mainly as an honorific, given to the longest-serving Senator of the majority party. The president pro tempore has the power to appoint another Senator to act as presiding officer for a given day of Senate proceedings.
Ryan layton / home state PA
The Vice-president of the United States also serves as the President of the Senate. In 2012, Joe Biden holds this office.
john boehner
William Henry Harrison Harrison served as president for 32 days. Though technically David Rice Atchison was president for a day. The Constitution says, in the absence of a president or Vice-president, the congress can name a substitute. James Polk ended his term on March 4, 1849 and his successor, Zachary Taylor, did not take the oath until March 5. The vice- president had resigned as president of the senate the previous Friday 3 March and Aitchison was elected by the senate to take his place pro tempore. As president of the senate throughout the weekend he was therefore the legal president until Taylor was sworn in.
The President pro Tempore of the United States Senate is Patrick Leahy. He is a democrat from the state of Vermont.
The Vice President of the US is the Senate President, however, he can appoint or delegate any of the senators to officiate on his absence which is called the President's Pro Tempore. The 113th Congress Presidents Pro Tempore as Jan 3, 2013 is Patrick J. Leahy.
There are two different possible answers. Officially, the president pro tempore is to preside. However, that title is now used mainly as an honorific, given to the longest-serving Senator of the majority party. The president pro tempore has the power to appoint another Senator to act as presiding officer for a given day of Senate proceedings.
The senior member of the majority party of the Senate, who would then be the President Pro Tem of the Senate (or President pro tempore for the full name)
The U.S. presidential line of succession after the President is the Vice President, Speaker of the House, President Pro Tempore of the Senate, then the Secretary of State. As of now, the current Vice President is Kamala Harris, the Speaker of the House is Nancy Pelosi, the President Pro Tempore is Patrick Leahy, and the Secretary of State is Antony Blinken.
Ryan layton / home state PA
In the U.S. the current presiding officer is Joseph Biden (the vice president)
England does not have a senate and it does not have a president.
United States Vice President, Joseph R. Biden, Jr.
John Adams was the first vice-president and hence the first president of the Senate.
inaugaral
The Vice-president of the United States also serves as the President of the Senate. In 2012, Joe Biden holds this office.