His research focus has been on the safety of meat products. This work has included the control of E. coli O157:H7 in raw ground beef and other processed beef products and Listeria monocytogenes in processed meats. He also acts as the Senior Science Advisor for the North American Meat Science Association and has been involved in food safety training for the meat industry. Dr. Marsden is the author of numerous publications and book chapters on food safety and quality and is the recipient of awards for research and teaching.
He serves on a number of Advisory Boards for companies that provide food safety technologies to the meat industry and is a regular contributor to the television program –“World Business Review with Alexander Haig”. He has also appeared on numerous television news programs as a food safety expert.
He enjoys spending time with his wife and five children and two grandchildren. His hobbies include collecting rare books, music and theater.