Oscar Pantaleon Jr. obtained his degree in metallurgical engineering from the University of the Philippines. In 1987, he joined the UP Madrigal Singers under the leadership of Prof. Andrea O. Veneracion, National Artist for Music, and went on national and international concert tours with the group until 1996. He also studied choral conducting with Dean Reynaldo T. Paguio and voice with Prof. Ma. Cecilia Ongsiako-Valena at the UP. Since then, he has been actively involved in the national choral circle as conductor, music director, trainer, adjudicator and consultant. Last year, he traveled to the regional centers as juror of the National Music Competitions for Young Artists. He was also appointed in 2009 as the first secretary general of the Philippine Choral Directors Association.
As an arts management practitioner, Oscar Pantaleon has produced various concerts and recordings. He established his own production outfit, ConcertNet Philippines Co., and managed the pop trio, III of A Kind. He taught arts management at the De La Salle University – College of St. Benilde and handled the business services of The San Miguel Foundation for the Performing Arts that managed The San Miguel Philharmonic Orchestra and The San Miguel Master Chorale. He has served as juror in various editions of the Awit Awards and he currently freelances as an arts project manager for the award-winning composer, Ryan Cayabyab.
As the Philippine Ambassador of the Contemporary A Cappella Society, he has sat as juror in various local and international competitions notably the Asian Competitions for Contemporary A Cappella in Taiwan, the National A Cappella Championships in Singapore, and the annual Contemporary A Cappella Recording Awards in San Francisco. He also conducted various artistic and management workshops for the Singapore A Cappella Society.
Oscar Pantaleon is the founding music director and conductor of the The Tala Choir and the Our Lady of the Pillar Cathedral Choir. He also directs and conducts Caltex Chorale and Pfizer Chorale.