After completing Ophthalmology training in 1988, Timothy Sullivan undertook subspecialty Training in Oculoplastics, Lacrimal and Orbital Disease at Moorfields Eye Hospital, London, and Paediatric Ophthalmology Fellowship in Toronto at The Hospital for Sick Children. When he returned to Brisbane in 1992 he established Oculoplastic Clinics at the Royal Brisbane and Women’s Hospital and Queensland Children’s Hospitals and the University of Queensland. He has published over 150 papers and 10 book chapters and given over 550 presentations. He has special interests in Orbital Oncology and Thyroid Eye Disease. He is involved in teaching medical students, Ophthalmology registrars and subspecialty Oculoplastics Fellows. He has trained twenty-five Oculoplastic Fellows from all over the world, many returning to pivotal and leadership roles in their own communities. He is a former President of the Australian and New Zealand and also the Asia-Pacific Societies of Ophthalmic Plastic Surgery, and an active Fellow of the American and a member of the European Societies of Ophthalmic Plastic and Reconstructive Surgery. He is a member of the International Society of Ocular Oncology. He is on the board of the International Thyroid Eye Disease Society. He is currently on the editorial board the Asia-Pacific Journal of Ophthalmology and has been a past editorial board member of the of Ophthalmic Plastic and Reconstructive surgery and the RANZCO journal Clinical and Experimental Ophthalmology. He has also done extensive teaching, collaborative and aid work throughout Asia in many countries, working closely with the APAO and the APSOPRS.