Quick facts about Rex:
- He was born and raised in Hong Kong.
- He studied and worked in the United States.
- He speaks fluent Cantonese, English, and Mandarin; and basic Spanish.
- He has three dogs and two tortoises.
Rex graduated as a computer engineer and entered the security industry in 2004. He started his career working for a security platform company as a software engineer, and then continued into professional engineering services and system integration. He now works as a security consultant.