John is the Managing Director of GRF Asia-Pacific and the Operational Technology Information Sharing Analysis Centre (OT-ISAC). OT-ISAC provides threat information to its members in the trusted community on cyber and OT vulnerabilities and incidents. He oversees the planning of OT-ISAC strategic programs as well as provide management oversight over its operations. He has more than 20 years of Information Security and ICT experiences. His prior roles include IT Governance, Risk and Compliance, security operations, designing and delivery of Information Security and Infrastructure services. He had also delivered Information Security Training and participated in the design of courses. He has led the local chapter of 2 professional associations as its President.