Sandle is Head of Microbiology at Bio Products Laboratory Limited. He has over twenty-five years’ experience designing and operating a range of microbiological tests and is also experienced in microbiological and quality batch review, microbiological investigation, and policy development. Dr. Sandle is an honorary consultant with the School of Pharmacy and Pharmaceutical Sciences, University of Manchester, and a committee member of the Pharmaceutical Microbiology Interest Group. He holds a first-class honors degree in applied biology, a master’s degree in education, and a doctorate from Keele University, Newcastle, England. He has written several books and articles relating to microbiology and contamination control.