The sergeant-at-arms of the Senate of the Philippines (), whose office is known as the Office of the Sergeant-at-Arms (OSAA; ), is the officer responsible for maintaining order and security in the Senate of the Philippines under the direction of the Senate president or the secretary of the Senate. The office is also responsible for the physical and logical security of senators, their staff, the offices of the Secretariat, and Senate properties within the premises of the upper chamber of the Congress of the Philippines.
The current Senate sergeant-at-arms is retired Police Major General Alfred Corpus, serving since June 3, 2026.
Powers and duties
According to Rule VI, Section 8 of the Rules of the Senate, the duties and powers of the Sergeant-at-Arms are:
To keep under his custody the Mace of the Senate; To attend the sessions of the Senate; To be responsible for the security and maintenance of order in the session hall, antechambers, corridors and offices of the Senate, and the protection and safety of all its members within or outside the Senate premises, whether in session or not, in accordance with the orders of the President or the Secretary; To execute or serve, personally or through his delegates, the summons and subpoenas which may be issued by the Senate, the permanent or special committees, or the President himself; To enforce a citation for contempt issued by any committee of the Senate, and to detain and place under custody any witness who disobeys any order of the committee; To be responsible for the strict compliance by his subordinates of their respective duties. He may impose upon them corrective or disciplinary measures for just cause, including a recommendation to the President of the Senate, through the Secretary, for their dismissal; and To recommend to the President, through the Secretary, approval of the uniform to be worn by the personnel assigned to serve under him in the session hall.
Sergeants-at-Arms of the Senate The following persons served as Sergeant-at-Arms of the Senate:
Portrait Name Term start Term end LegislatureManuel Eloriaga2ndCommonwealthCongress1st CongressLeon Nazareno2nd CongressLazaro Zulueta195219603rd Congress4th Congress colspan="6" Clemente Antonio198719938th Congress9th CongressLiberato Manuel19931994 Antonio de Guzman 19941995Carmelito Beltran1995199610th CongressAlberto de Castro 1996February 1998Leonardo LopezFebruary 1998April 2002 11th Congress12th CongressJose Balajadia Jr.(1943–2019) April 2002June 30, 201913th Congress14th Congress15th Congress16th Congress17th CongressEdgardo Rene Samonte July 22, 2019August 1, 202218th Congress19th Congress Roberto T. Ancan(born 1965) August 1, 2022July 28, 2025Mao Aplasca(born 1963)July 28, 2025February 2, 202620th CongressEdgardo Rene SamonteFebruary 2, 2026May 11, 2026Mao Aplasca(born 1963)ActingMay 11, 2026May 15, 2026Manuel ParladeOICMay 19, 2026June 3, 2026Alfred CorpusJune 3, 2026Incumbent
See also Sergeant-at-Arms of the House of Representatives of the Philippines
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