John Aitken is a free-lance microbiologist based out of Christchurch, New Zealand and the senior director of Otakaro Pathways, Ltd. Prior to his current position, he has worked in medical microbiology for public and private providers for more than 40 years. In his “spare time” he has established a microbiological environmental testing laboratory.
His particular areas of interest are antimicrobial resistance and emerging bacterial infectious diseases. The majority of his work involves an understanding of the underlying relationships between microorganisms, plants, and animals.


Dr. William M. Chamberlin is a retired gastroenterologist who is currently conducting research into MAP. He received his medical degree from Tufts University and completed his residency in internal medicine at William Beaumont Army Medical Center. From there, he completed a fellowship in gastroenterology at Walter Reed Army Medical Center. His early work experience took him to positions in Thailand, Southern Australia, Papua New Guinea, Germany and Japan. He served 20 years in the U.S. Army Medical Corps with his last assignment being at Walter Reed Army Institute of Research where he studied the immune systems responses to microbial infections before settling into private practice. His primary research areas are Crohn’s disease, hormonal immune regulation, and emergence and evolution in biological systems and disease.

