Dr. Theodor Keulder practices as eye specialist at Cape Gate Mediclinic, Advanced Health Durbanville Surgical Centre, and Advanced Health Worcester Surgical Centre. He was born in Port Elizabeth, is the only son and the eldest of four children. Dr. Keulder and his wife, Willemien, currently resides in Worcester. They have a son and two daughters. Dr. Keulder is passionate about motor cars and loves the outdoor life, often spending his free time hiking, camping, and doing 4x4 tracks.
Dr. Theodor Keulder founded the Worcester practice in July 2000.
On "9/11" 2001, Dr. Keulder opened another practice at the Panorama Medi-Clinic. In 2014 he relocated the Panorama practice to Cape Gate.