Father Marcial Juan was born on July 9, 1942 at Laoag City, Philippines. He was second from the six children of Pedro D. Juan, a dentist and Monica Duldulao, a school teacher.

He was ordained as a priest on December 17, 1966 at the Basilica of Santa Maria Maggiore in Rome Italy. After his being ordained, he worked for fifteen years in the Philippines as a teacher at the High School Seminary and as an Associate Pastor in the Diocese of Laoag. Later on he became a Professor of St. Scholastica College in Manila. He has imparted his knowledge with the youth and have inspired values among them.

Migrated to United States in 1982, Father Marcial started working at the Archdiocese of Los Angeles. He has also held several positions and responsibilities such as being the Associate Pastor at Cathedral Chapel from 1982-1989 and the Associate Pastor at St. Gregory the Great Parish in Whittier, California in 1992-1998.

In 1998-2000, he was the Chaplain of St. Vincent Medical Center in Los Angeles, California while at the same time the Liaison for the Filipino-American Renewal Community. Right after that, he was then assigned as the Associate Pastor at St. Genevieve Parish.

In July 2002, Father Marcial was appointed Administrator Pro Tem and served until 2008 at St. Genevieve Parish in Panorama City, California. He is now happy to be serving at our parish here at Holy Family.