Reynato Puno y Serrano (Filipino: Reynato Serrano Puno; born May 17, 1940) is the 22nd Chief Justice of the Supreme Court of the Philippines.
Appointed on December 8, 2007 by President Gloria Macapagal Arroyo.
He served until his mandatory retirement on May 17, 2010.
Puno had initially been appointed to the Supreme Court as an Associate Justice on June 28, 1993.
Puno was appointed on January 23, 2018 as the chairperson of the Consultative Committee, by virtue of Executive Order No.
10, tasked to review the provisions of the 1987 constitution.