Billy Chan (born December 25, 1960) is a medical simulation specialist, educator, and humanitarian who serves as the United Nations (UN) Ambassador for the Global Fair Pay Charter and UNITAR.

[2] Chan is also the Director of the Centre for Medical Education in Simulation at the Faculty of Medicine of Macau University of Science and Technology.

[2] According to Chan, the initiative aims to create opportunities for the Global South by promoting fair pay and improving living conditions.

[citation needed] He is the Chairman of the Australian Chamber of Commerce in Macau;[13] Vice Chairman of the Medical Research Strategy Board of the United States Chamber of Commerce in Southern China;[14] and Senior Advisor (Macau) of the Royal Commonwealth Society Hong Kong Branch.

[15] He is also an Executive Councillor of the World Association of Chinese Doctors and Co-Founder of the Sino-Luso International Medical Forum, which promotes healthcare education and skill sharing between Macau and Portuguese-speaking countries.