Tom Boyles is an Infectious Diseases clinician who has most recently worked in both urban and rural settings in South Africa. He is passionate about the appropriate use of medical tests, having written and taught courses to medical students and having recently completing a textbook on the subject. He has worked in the field of antibiotic resistance including as an investigator on the MERINO trial and his current research interests include the appropriate diagnosis and treatment of different forms of Tuberculosis in low resource settings.