Jan du Preez, PhD (PU for CHE) is laboratory manager of the Analytical Technology Laboratory in the Centre of Excellence for Pharmaceutical Sciences and professor in Pharmaceutics at the NWU.  As an expert in analytical chemistry, one of his main functions is the development and validation of analytical methods for researchers and graduate students.  He has supervised numerous post-graduate students and is the author/co-author of a patent as well as several papers in peer-reviewed international journals.