Campbell undertook his ENT surgical training in Queensland, which included a Masters at the Translational Research Institute (TRI) investigating the molecular mechanisms of Perineural Spread of cutaneous Squamous Cell Carcinoma. He completed an advanced head and neck surgery fellowship at the Royal Brisbane and Women’s Hospital before undertaking a second fellowship in reconstructive and robotic surgery of the head and neck in London, Ontario. He now works within the head and neck cancer multidisciplinary teams at the Princess Alexandra and Royal Brisbane and Women’s Hospitals and in private practice.