President of the Senate of the Philippines

The President of the Senate of the Philippines (), or more popularly known as the Senate President, is the presiding officer and the highest-ranking official of the Senate of the Philippines, and third highest and most powerful official in the Government of the Philippines. 
He/she is elected by the entire body to be their leader. The Senate President is second in line in succession for the presidency, behind the Vice President of the Philippines and in front of the Speaker of the House of Representatives of the Philippines.
Living former Senate presidents.
Currently there are five living former Senate presidents:
"Legend:" Boldface means still an incumbent Senator.