Dr Workman completed his medical degree at the University of Melbourne and then completed his medical specialist training in ophthalmology at the Royal Victorian Eye & Ear Hospital (RVEEH). He worked as a Retinal Fellow before establishing the North Balwyn Eye Clinic & Laser Centre in 1989 where he was in private practice.

Dr Workman worked at the Royal Victorian Eye & Ear Hospital where he was Head of Clinic and Chairman of the Senior Medical Staff. He has also been Chairman of the Eye Section of the Senior Medical Staff.

He is an active member of the Royal Australian & New Zealand College of Ophthalmologists (RANZCO). He was a member of the State Committee of RANZCO for 10 years, including 5 years as Honorary Secretary and a term as Chairman and was also a Federal Councillor for 5 years.
He was a member of the Qualification & Education committee (Victoria). He was a member of the Part I Court of Examiners for 10 years. He has lectured both in Victoria and interstate on advances in cataract surgery and other subjects including Aviation Ophthalmology.

He has published in the ANZ Journal of Ophthalmology on several occasions, given advice to Drug Advisory Committees and the Medical Board, and has been on several Medical Advisory Boards. He has published a chapter on ocular pain management.

He is also a Designated Aviation Ophthalmologist for the Civil Aviation Safety Authority and is authorised to certify civil pilots, aircrew and air traffic controllers for aviation purposes. He has a post graduate qualification in Aviation Medicine. He has his private pilot's licence. He was in the RAAF Specialist Reserve for six years and is now in the Stand-by Reserve.

Dr Workman is also a registered surgeon with the Department of Veterans Affairs. He is a Fellow of the British specialist College.

He has a special interest in laser and conventional cataract surgery.