Guam POST Commission
Contact Us
(671)735-5516 Ext. 5636
Administration Building Room 2237
(Campus Map)
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TRANSFER INFOGuam POST Commission
Vincent S.N. Perez
Chief of Customs, Customs & Quarantine Agency
P.O.S.T. Chair
c/o POST Executive Director
Raymond T. Mantanona
ARFF Chief (Aircraft Rescue & Fire Fighting)
A.B. Won Pat International Airport Authority, Guam
P.O.S.T Vice-Chair
c/o POST Executive Director
John Q. Lizama
P.O.S.T. Executive Director
Email: john.lizama@guam.gov
Phone (671) 735-5550 Ext. 5610
Office location: GCC Campus
Rm. 104, Gregorio G. Perez Crime Lab Annex by Parking Lot "C."
Bertha Guerrero
Administrative Secretary II (support staff)
Office of the President
Phone: (671) 735-5636
Email: bertha.guerrero@guamcc.edu