John Fisher matriculated at Kingswood College in Grahamstown and received his undergraduate training in Dentistry at the University of the Witwatersrand in Johannesburg.
After graduating and completing two years of Military service in the SADF Medical Corps, two years were spent in general dental practice in Rondebosch in Cape Town and in Johannesburg. A short spell as a junior lecturer in the Dept of Oral Pathology at the University of the Witwatersrand preceded four years of formal training in Maxillofacial and Oral Surgery at the same university.
Dr Fisher graduated with a Master of Dentistry degree in the branch of Maxillofacial and Oral Surgery from the University of the Witwatersrand and a fellowship in the College of Maxillofacial and Oral Surgery in the College of Medicine of South Africa. He commenced in private practice in Cape Town in 1987. He has held a part-time teaching position in the department of Maxillo-facial and Oral Surgery at the University of Stellenbosch (now Western Cape) and has been an examiner in Maxillofacial and Oral Surgery for the South African College of Medicine.
In 1998, Dr Fisher was elected to the executive committee of the South African Society of Maxillofacial and Oral Surgeons (SASMFOS) and has served the Society as Hon.Secretary, President-elect and President. He has served terms as the immediate Past-President of SASMFOS and the President of the African Association of Maxillo-facial and Oral Surgeons (AfAOMS), a division of the International Association of Oral and Maxillofacial Surgeons (IAOMS). In this latter capacity he has served as the representative for Africa on the executive of the IAOMS.
He is married to Alexandra, and they have four adult children and two grandsons.
In his relaxation time he plays the trombone in an amateur eighteen-piece jazz orchestra, enjoys reading, the outdoors, watercolour painting, travel and good food and wine with family and friends.