Dr Hoffman qualified as a Pediatrician in 1980 and thereafter he held an academic position for eight years at Tygerberg Hospital, 2 Military Hospital and the Medical School of the University of Stellenbosch. He spent the next eight years in private practice at the Panorama MediClinic.
During this time, he established a neonatal intensive care unit that is still today one of the best units in South Africa. During these years he played an important role in the Medical Association as Member of the Board of Trustees, member of the Executive Committee and Chairman of the Private Practice Committee.
In 1996 he joined Sanlam Health as Medical Director and General Manager of the Managed Health Care Division. He was responsible for the implementation of managed health care in Sanlam Health after a period of study in the USA. During this time, he worked closely with Capp Care (California) and US Healthcare (Philadelphia).
He was appointed as director of the Council for Health Care Accreditation of Southern Africa and the Interim Council of the Representative Association of Medical Schemes. He was the founder of African Health Synergies, a preferred provider network development organisation. Dr Hoffman is still seen as one of the foremost experts in the field of managed healthcare in South Africa.