Liew Sien Leong is a PhD candidate at Universiti Putra Malaysia and currently serves as a research assistant in the Management and Marketing Department . He holds his bachelor’s degree in Entrepreneurship (Tourism) from Universiti Malaysia Kelantan and a master’s degree in Tourism from Universiti Putra Malaysia. His area of interest includes consumer behaviour, hospitality, tourism, management and marketing. Currently, he is conducting research on sustainable retirement villages with his project leader.