Dr. Barnard has worked as a clinical biochemist, a research scientist, a senior research fellow, and a senior lecturer (equivalent of a professor in the United States) in various universities in the United Kingdom and around the world. He has been a visiting research scientist at the Weizmann Institute, Israel. His specialty is immunology/immunochemistry. He is currently (2005) Senior Research Fellow at the Centre for Veterinary Science, University of Cambridge, UK. He has consulted for various biotech companies, such as Monoclonal Antibodies Inc., Cambridge Life Sciences, Wallac Oy (Finland), PerkinElmer Life Sciences, Unilever Research, as well as the World Health Organization.
Dr. Barnard has published over 50 peer-reviewed research papers and written nine chapters for academic science textbooks. He holds five patents, mainly in the field of immunoassay techniques. He also holds a master’s degree in theology.