Dr Alvin Tan is a consultant medical oncologist at Waikato Hospital, Hamilton, New Zealand.

He is the current Head of Department for Medical Oncology at Waikato Hospital, and the current Chair of the Aotearoa New Zealand Advanced Training Subcommittee for Medical Oncology for the Royal Australasian College of Physicians.

He completed his Bachelor of Medicine and Surgery (2006) at the University of Otago, Dunedin. He achieved Fellowship of the Royal Australasian College of Physicians (FRACP) in 2014, having trained in medical oncology at Auckland City Hospital where he developed particular interest in genitourinary cancers and participation in oncology clinical trials.

He is the primary site investigator for a number of collaborative oncology trials being conducted at Waikato Hospital, and has previously participated in the 2016 Australia & Asia Pacific Clinical Oncology Research Development (ACORD) Workshop. He is a graduate of the 2019 ESMO Leaders Generation Programme Asia and now serves as a member of the ESMO Practising Oncologist Working Group Committee (2021-present).

He is a member of the Waikato Cancer and Blood Research Governance Board, and past Executive Committee member for the New Zealand Society of Oncology and previous Director of Training for Medical Oncology at Waikato Hospital.