Clement K.M. Au Call: 2011 (Hong Kong) Micky Yip Call: 2011 (Hong Kong) Mary B.L. Thomson Call: 2013 (Hong Kong), 1983-1989 & 2013 (UK) Holden N. Slutsky Call: 2013 (Hong Kong), 2014 (New York), 2020 (District of Columbia) Warren Suen Call: 2021 (Hong Kong) Matthew Smith Call: 2024 (Hong Kong)