William is the Michael Fam Chair Professor, Director of Food Science & Technology Programme at Nanyang Technological University Singapore, and Host Principal Investigator with Future Ready Food Safety Hub Singapore. William's food tech innovations and opinions on food security have been extensively covered by local and international media. The ‘Going Green’ programme by CNN in 2019 described William as a Game-Changing Leader in the green revolution of the food system. William is advisor/consultant to government agencies, World Health Organization, Asian Development Band, food industry, and overseas universities on matters related to food technology and food security.