The US Vice President.
== == == == the presiding officer in the senate is the vice president president of the senate
The president Pro-Tempore is the presiding officer in the senate. That individual is in charge of the Senate agenda in the absence of the vice president.
Vice President
Viice presiident
vice president
vice president
Vice President
the Vice President
Vice President.
Joe Biden
The US Senate.
In the U.S. the current presiding officer is Joseph Biden (the vice president)