Name Designation Contact Details USEC. JUAN ANTONIO A. PEREZ III, MD, MPH Executive Director 532-7051 REYNALDO O. WONG Regional Director (062) 955-2292 RALPH A. RUIVIVAR Assistant Regional Director (062) 955-2292 ROSELYN C. SECUSANA Section Head, Administrative Services (062) 955-2292 MARIA ROSALINDA K. FERNANDO Section Head, Technical Services (062) 955-2292