After graduating from World-wide Sea Training School (senior course), Capt. Pun were serving on several types of ocean-going vessel, such as VLCC, ULCC, product carriers & bulk carriers as C/O, or Captain. After his professional training in Hong Kong Polytechnic University, he also gained professional experience in several types of high-speed craft, such as jetfoil, catamaran, tri-catamaran & flying-catamaran. It has equipped him with extensive knowledge of operation and management in shipping industry. He has been actively participating in various surveys to enrich his knowledge in his jobs. Capt. Pun, as an IHM expert, has good training, qualifications knowledge and experience to perform IHM Surveys.