General Gregorio Pio Punzalan Catapang, Jr. (born July 11, 1959) is a Filipino General who served as the 45th Chief of Staff of the Armed Forces of the Philippines. He was the Vice Chief of Staff prior to his appointment as head of the armed forces. He was also the former head of the AFP Northern Luzon Command and 7th Infantry Division. He is part of the Dimalupig Class of the Philippine Military Academy of 1981. He was part of the Reform the Armed Forces Movement.
Gregorio "Greg" Pio P. Catapang Jr was born on July 11, 1959 in Manila. He is the second of four children of Gregorio Catapang Sr., a lawyer for the Securities and Exchange Commission, and Lourdes Punzalan, a CPA for the Department of Finance. He was named after two generals Gregorio del Pilar and Pio del Pilar. Early on in life his parents taught him the value of public service.
He attended Claret School of Quezon City highschool where he was voted as the high school class president. He entered the Philippine Military Academy in 1977 and graduated in 1981. Shortly after graduating from PMA he pursued graduate courses in the University of the Philippines and became a member of Upsilon Sigma Phi.
He moved on with his career carrying an excellent standard of performance, fine leadership, and a keen vision that resulted in accomplishments, both in garrison and field tours of duty. He held positions of major responsibility, such as: Commander of the 7th Infantry (Kaugnay) Division, Philippine Army, Commander, 703Bde, 7ID, PA (now 10ID, PA) from September 6, 2010 to October 3, 2012; Battalion Commander of 28IB, 4ID, PA (now 10ID, PA) from November 20, 1999 to March 3, 2001; Battalion Commander of HHSBn, 4ID, PA from March 3, 2001 to December 17, 2001; Ac of S for Operations, G3, 8ID, PA from July 16, 2002 to February 1, 2003; ACUCS for CMO, U7, NOLCOM, AFP in February 19, 2003 to May 12, 2003; ACUCS for Operations, U3, NOLCOM, AFP from May 12, 2003 to October 24, 2005; and Chief of Unified Command Staff, NOLCOM, AFP on May 15, 2005 to Oct 24, 2005.