Heesup Han is a Professor at the College of Hospitality and Tourism Management, Sejong University, Korea. His research interests include cruise, airline, and medical tourism; green hotels; and hospitality and tourism marketing. His papers have been selected as the most downloaded and read articles in many top-tier hospitality and tourism journals. Heesup Han was a 2019 and 2020 highly cited researcher (HCR) of the world in social science (identified by the Web of Science Group).