Engr. Alfredo D. Antonio graduated from FEATI University in 1993 with a Bachelor of Science Degree in Geodetic Engineering. He also holds a Bachelor of Science Degree in Criminology from the University of Visayas. He held a number of prominent posts including National President of the Geodetic Engineers of the Philippines (2000-2002 and 2003-2005) as well as its Governor (National Treasurer); Regional President; Rizal Chapter Auditor and Rizal Chapter Director / Adviser. He was also Vice President of the Philippine Technological Council (2005-2006).

Among a few of his major achievements include becoming the first Geodetic Engineer to be an ASEAN Engineer and an APEC Engineer; spearheading the Geodetic Engineering Code of 2005 and being the father of the scholarship program for G.E.P. Regional Division IV and its Medical and Mortuary Assistance Program.

With a long history of work experience in various projects and consultancy services, Engr. Antonio is the President and General Manager of A.D. Antonio Surveying and Consultancy since 1983