Gordon is part of the Biostatistical Consulting Service team at the University of Otago, Wellington, which provides statistical consulting to health researchers. Within the Health Inequalities Research programme, he was involved in the Differential Colon Cancer Survival by Ethnicity in New Zealand project and also works with Te Rōpū Rangahau Hauora a Eru Pōmare on several research projects, including Unequal Treatment: The Role of Health Services.
Gordon's concerns include discrimination and inequalities, which are reflected in his health research.