The International Workshop on Water Hazard and Risk Management aims: (1) to deliver PWRI’s experience and potential to world renowned scientists in the field of water hazard and risk management; (2) for PWRI researchers to learn world’s leading technologies and trends; and most importantly (3) based on presentations in Day 1 and 2 to discuss the areas of focus and future directions in this field through the Plenary Session as wise-men’s input to the International Center for Water Hazard and Risk Management.