Guam POST Commission

Stephen C. Ignacio
Chief of Police, Guam Police Department
P.O.S.T. Chair
c/o POST Executive Director 


Roseanna T. Castro 
Assistant Port Police Chief 
Port Authority of Guam Police
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) 735-5640, Extension 5603
Office location:  GCC Campus
Rm. 104, Gregorio G. Perez Crime Lab Annex by Parking Lot "C"


Isaac K. Williams  
P.O.S.T. Commission Administrative Assistant (Support Staff)
Email:  isaac.williams1@guamcc.edu
Phone: (671) 735-5640, Extension 5603
Office location:  GCC Campus
Rm. 103, Gregorio G. Perez Crime Lab Annex by Parking Lot "C"