Starting in 2002, interested in and been diving in different Caves and Wrecks, visiting many caves in China, Florida, Mexico, Italy, Philippine and Thailand. Raymond has over 2500 dives and dives in countries like Canada, USA, China, Mexico, Bahamas, Caribbean, Japan, Taiwan, Philippine, Thailand, Malaysia, Micronesia, Indonesia, UK and Indian Sea. Raymond has experience in different dive conditions. In nice tropical weather and cold fresh water lake. Diving in great weather like Bahamas and come across with experiencing in bad weather like high wind and strong current in Philippine and Maldives. Raymond also visited unforgettable beautiful caves in Mexico and challenging caves with low visibility in Thailand and China. Raymond also visited a lot of wrecks and did a deep cave dive in Thailand, Song Hong using Hammerhead rebreather to 175 meter in July 25, 2014.