Dr Sze Wai Chan is a medical oncologist in private practice at Sandton Oncology, and West Rand Oncology, Johannesburg, South Africa. She is the director of clinical research at Sandton Oncology and is involved as principal and sub-investigator in local and international clinical trials. She is a member of ASCO, ESMO, IASLC and is an executive member of SASMO since 2022.

Dr Chan is the vice president of the Melanoma Society South Africa (MSSA). She has authored in peer-reviewed journals and has presented abstracts locally and abroad. She serves on both local and international Advisory Boards. She was trained professionally at the University of Witwatersrand (Wits) and she was involved previously with the Wits HREC (Human Research Ethics Committee). Her main oncology interests are lung cancer, skin cancer, head and neck cancer, and urogenital cancer.

Dr Chan serves on the scientific programme committee for World Conference on Lung Cancer (WCLC 2025) in Barcelona, Spain, and is an invited speaker at the conference.