Manuel Monsour del Rosario was a taekwondo jin who competed at the 1988 Olympic Games in Seoul, South Korea.He first learned martial arts under Joe Lopez-Vito, a Moo Duk Kwan-Tang Soo Do practitioner. After he returned to Manila for his high school education, Del Rosario shifted to taekwondo in 1977 as a student of Hong Sung-Chon and attained a Korean 8th Dan taekwondo black belt. At the age of 23, he competed in his first Olympic Games as a lightweight and reached the quarterfinals. Del Rosario joined the Philippine National Taekwondo Team in 1982 and remained until 1989, serving as the team's captain in his last four years on the team. He was ranked first in the Philippines in the Lightweight Division while he was on the team, and was an eight-time National Lightweight champion. From 1982 to 1989, he competed in several international competitions, including the 1988 Seoul Olympics, the Southeast Asian Games, the Asian Games, the World Games, the World Taekwondo Championships and the Asian Taekwondo Championships. He earned a gold medal in the 14th and 15th Southeast Asian Games and a bronze medal in the 10th Asian Games. He is the Philippine Taekwondo Association Secretary General and a Philippine Olympic National Sports Association Martial Arts Council member. He has also served as a city councilor from the 1st district of Makati from 2010 to 2016 and later as congressman representing the same district from 2016 to 2019.

1988 Summer Olympics, Seoul