He was born in Tamparan, Lanao del Sur and married to Eugenia Morgia, a teacher form Antequera and blessed with 10 children who are now all successful in different countries. His father, a Philippine Constabulary officer, Vicente T. Nunag, Sr. is from Hagonoy, Bulacan and mother, Emilia Kuelles, a Surigaonon with roots from Valencia, Bohol. He began his elementary education in Cotabato, then secondary in Jolo, Sulu, where he excelled as an interscholastic champion in boxing, hop-step-and-jump, and in the 400-meter relay. He took up Civil Engineering at the National University, when he became the Philippine Amateur flyweight boxing champion. Never a person to gloat in leisure and idleness, Engr. Vicente worked as Assistant Mining Superintendent at the Guindulman Manganese Mines. He found home in the island province, until World War II broke out. Adversity and emergency separate the real men farm the ordinary boys.

He heeded the call to fight for the country. On March 27, 1942 he served the “D” Company, Bohol Provincial Battalion, 83rd Infantry Regiment, USAFFE, in Carmen, Bohol as 3rd Lieutenant. When the USAFFE disbanded, Lt. Nunag did not surrender. He went underground and formed his own guerilla group known as Ba-ang Force, which joined the Behind the Clouds Forces under Capt. Francisco Salazar and Lt. Ismael Ingeniero In 1942, he was conferred Combat Head of the Bohol Guerilla Force. He was promoted as Captain and Commanding Officer and was designated Executive Officer and Commanding Officer and promoted to the rank of Colonel then Major. Being a Civil Engineer, he found work in the government bureaucracy, at the Bureau of Public Highways. He transferred to private employment at Coca-Cola Bottling Corporation. He was then the Manager of the Southern Industrial Projects Galvanizing Plant in Cortes and managed the SIP shipping. He served as the District Commander of the Veterans Federation of the Philippines.