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Douglas L. Marshall

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Douglas L. Marshall, PhD, CFS

Douglas L. Marshall, PhD, CFS

Chief Scientific Officer

Dr. Marshall is Chief Scientific Officer with Eurofins Microbiology Laboratories, Inc., a division of the global life sciences company Eurofins Scientific.  He also is co-founder and Director of the Food Safety Institute, LLC, an integrated consulting and analytical services company affiliated with the Eurofins network of companies.  His former positions include the following:

  • Associate Dean and Professor of Public Health, College of Natural and Health Sciences, University of Northern Colorado
  • Adjunct Professor with the Colorado School of Public Health
  • Professor of Food Science, Nutrition, and Health Promotion at Mississippi State University
  • Assistant Professor of Food Science at Louisiana State University
  • Contributing Editor for the peer-reviewed scientific journal Food Microbiology
  • Four consecutive terms on the editorial board of the Journal of Food Protection

He is a frequent volunteer and consultant to trade associations, NIH, WHO, FAO, USDA, and other government agencies and private companies.  His research and expertise has been featured in popular press venues such as Consumer’s Reports, Fine Cooking, USA Today, Fitness, Health, Men’s Health, Chemtech, Nature Science Updates, and ASM Journal Highlights.  He is a frequently invited speaker and a prolific book chapter writer. With over 250 publications and over 180 invited presentations, his scientific research and outreach interests focus on improving the microbiological quality and safety of foods.  Among these was the completion of the 4 volume Handbook of Food Science, Technology, and Engineering, which he Co-Edited.  He has been the recipient of a number of awards for his scholarly efforts including the Mississippi Chemical Corporation Award of Excellence for Outstanding Work, the International Association for Food Protection Educator and Harold Barnum Industry Awards.  He is a Fellow and former member of the Board of Directors of the Institute of Food Technologists, former Chair of the International Food Science Certification Commission, and former member of the Board of Directors of the American Spice Trade Association.  On a personal note, early in his career he served as a deck hand on an Alaskan fishing vessel (well before Deadliest Catch) and prefers to spend his free time lost on a trail in the Colorado Rocky Mountains.

Below are resources from Douglas:



Does your sample contain any form of animal byproduct? Is your sample being shipped overseas to one of Eurofins’ partner labs for testing? If both these questions are true for your sample, you’ll need a heating certificate to get through customs. This handy infographic shows examples of samples and tests that may require a heating certificate.


Have you ever wondered about the journey of your sample once you’ve sent it to Eurofins? This handy infographic shows the life cycle of a sample once we’ve received it in our laboratory, from labeling and identification through analysis and reporting.


Does your food or supplement package contain translucent packaging? If so, your product and its ingredients could be susceptible to photochemical changes. This infographic illustrates the mechanics of photostability studies as well as the key attributes and product types impacted by light exposure.


This infographic poster describes how targeted and shotgun metagenome-based microbiomes use DNA sequencing to identify and provide proportions of microorganisms in a single assay.


This infographic highlights the most frequent reasons for variability of laboratory results and measures third party laboratories implement to address variability.


This infographic answers questions surrounding becoming certified organic in the spice industry.


What is L-Carnitine and what is its function in your pet food nutritional blend? Eurofins experts explain it all in this infographic!


Learn the steps to BRC food safety scheme certification including training, audits, resources and more!


How do you decide which GFSI scheme is right for your operation? We explain the requirements, audit styles, and other deciding elements of the SQF, BRC, and FSSC 22000 schemes in a comparison table.


A step-by-step explanation from Eurofins experts on becoming FSSC 22000 certified.


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