Caldwell, Matthew F.
Instructor Trainer No. 4448
Courses Offered: Open Water / Limited and Complete SafeAir User (Levels 1 & 2) / Technical SafeAir / Technical Trimix / Service Technician / Tri-Mix Gas Blender / O2 Administrator
Mobile No. (63) 918 9138498
Facility: ANDI Philippines
E-mail: matfcald@attglobal.net

May, George B.
Instructor Trainer No. 105
Courses Offered: All levels / Rebreather Inst. Trainer / Open Water Inst. Trainer / CSU Inst. Trainer / TSD Inst. Trainer / First Aid Inst. Trainer/ CPR Inst. Trainer / O2 Admin Inst. Trainer / CPR Instructor Trainer
Mobile No. (63) 917 8339087
Facility: ANDI Philippines
E-mail: gbmay@attglobal.net

de Sadeleir, Johan
Instructor No. 6334
Courses Offered: Open Water to Tri-Mix / Tech Wreck
Contact No. (6347) 2248915
Mobile No.  (63) 919 6471234
Facility: Johan's Adventure & Wreck Dive Centre - Midway, Baloy Long Beach, Barrio Barretto, Olongapo City
E-mail: johan@subicdive.com

Suh, Yeong-Dai
Instructor No. 6388
Courses Offered: Tech Wreck
Contact No. (632) 6343273
E-mail: wowbingowow@yahoo.com