Visiting scholar, Dr. Cheng Kian Tan (陳正見) has registered at Center for Chinese Studies on April 14, 2023. He is a Singaporean scholar who is a senior lecturer at Singapore University of Social Sciences, Singapore. Dr. Tan's research period in Taiwan is from April, May & December, at Office of Research and Development, National Taiwan Normal University & School of Gerontology and Long-Term Care, College of Nursing, Taipei Medical University. His research topic is "Comparison Social Robot as companion for Older Adults in Taiwan".