Marvic Leonen

Marvic Leonen
Leonen in 2022
33rd Senior Associate Justice of the Supreme Court of the Philippines
Assumed office
May 14, 2022
Preceded byEstela Perlas-Bernabe
Associate Justice of the Supreme Court of the Philippines
Assumed office
November 21, 2012
Appointed byBenigno Aquino III
Preceded byMaria Lourdes Sereno
Chief Peace Negotiator for the Republic of the Philippines
In office
July 2010 – November 2012
Appointed byBenigno Aquino III
Succeeded byMiriam Coronel-Ferrer
13th Dean of the University of the Philippines College of Law
In office
2008–2011
Preceded bySalvador T. Carlota
Succeeded byDanilo Concepcion
Personal details
BornMario Victor Famorca Leonen
(1962-12-29) December 29, 1962
Baguio, Philippines
CitizenshipFilipino
Children1
EducationUniversity of the Philippines Diliman (BA, LLB)
Columbia University (LLM)
NicknameLabGuru

Mario Victor "Marvic" Famorca Leonen (born December 29, 1962) is a Filipino jurist who has served as an associate justice of the Philippine Supreme Court since 2012. President Benigno Aquino III appointed Leonen to the position at the age of 49, making him the second-youngest justice in the court's history. Since the retirement of Estela Perlas-Bernabe in 2022, he has served as the Court's senior associate justice.

Leonen previously served as the chief peace negotiator for the Republic of the Philippines in peace talks with the Moro Islamic Liberation Front.

Leonen served as dean of the University of the Philippines College of Law from 2008 to 2011. He has also been involved in environmental legal advocacy and community-based legal work.