Johann was conferred the LL.B. degree by the University of Stellenbosch and was admitted as an attorney in 2007 after completing his articles of clerkship at a prominent personal injury law firm in Cape Town.
He subsequently gained considerable experience in the field of medical law at a defendant law firm acting on behalf of medical practitioners. Johann thereafter continued his career in medical law at a well-known plaintiff law firm in Pretoria before relocating back to Cape Town to join the medical law department at DSC attorneys.
He has lectured on the subject of medical law at the Stellenbosch University Medical School and various other venues throughout South Africa and Namibia.