Herman first trained in Physiotherapy at Mulago Paramedical School in Kampala, Uganda, graduating in 1997 with a diploma. Over the next 8 years he worked mainly at Mbarara University Teaching Hospital as one of the early pioneers of the physiotherapy department. In 2005 he moved to South Africa to upgrade to a bachelor's degree and then continued further studies to obtain a master's degree in Physiotherapy. His main research field was paediatrics and he has subsequently published his research on "Barriers experienced by parents of children with clubfoot deformity attending specialised clinics in Uganda".
On returning to Mbarara in 2007, together with the principal physiotherapist of the hospital, they worked with Mbarara University of Science and Technology (MUST) to establish the first degree level programme in physiotherapy in the country. The programme started in 2012 and the first 5 students completed in 2016. There are now 22 graduates and 90 students in training. Herman is employed as a lecturer in MUST and is the Head of the Department of Physiotherapy. His current fields of interest are Paediatrics, Othopaedics and Medical Education.