Answer:
U.S Vice President
Step-by-step explanation:
The vice president of the United States is a government official who is both a member of Executive branch of government as well as Legislative branch of government.
While, the U.S Vice President is the second in command in the executive branch of the government, after the president of the United States, and ranks as the first in line of succession to the President.
The vice president is also an officer in the legislative branch, whose role is to presides over the Senate.
Hence, in this position, the vice president is empowered to presides over Senate deliberations, even though he or she may not vote, however, his or her vote will be required in a tie-breaking vote.
Also, the vice president is empowered to presides over joint sessions of Congress.