If you've got a car and coming from Makati:

Alternatively, go to the intersection of Julia Vargas and C5, turn left to C5. and keep on moving until you reach a fork--left going up Katipunan and right going down Marikina--take the right  and keep on moving until you reach Bonifacio Drive (landmark is the Riverbanks Shopping Center). Turn right. Then left to Halina St and then left again to Lopez Jaena. Keep moving until you see the Blue Coats Manila Bay Gate on your right. Enter the 1st gate and keep on moving until you reach the 2nd gate. From the 2nd gate, you can park your car up front and just walk over to our office. When you get pass the 2nd gate, turn right and keep moving until you reach the last building to your left. Enter this building and go up the 2nd floor, turn left, then right, then left, until you reach the blue glass doors.

If you are having difficulty finding the office, ask to be directed to the office of ITM - Manila.