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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:



Whole-Genome Sequencing aids in tracking foodborne illnesses and drug resistance in food pathogens. Read on to learn how WGS ensures food safety and quality.


Learn about new trends in sustainable and environmentally friendly animal-based proteins. See what it takes to be One Health Certified and show your commitment to the environment as an animal-based protein producer.


Shiga toxin-producing E. coli (STEC), in particular, is a group of E. coli strains most associated with foodborne outbreaks. As food producers, you have the responsibility to ensure your consumers don't become a statistic. Read on to learn more about STEC and other food pathogens and how to eliminate them from your products.


The FDA’s Food Safety Modernization Act (FSMA), requires domestic and foreign food facilities registered with section 415 of the Food, Drug, & Cosmetic (FD&C) Act to enact risk-based preventive controls. This document provides information on the required analysis of hazards and risk-based preventive controls to minimize or prevent identified hazards.


Wondering which method is most appropriate for testing crude fat in your samples. Read through the answers to these frequently asked questions for guidance.


One of the oldest and richest sources of nutrition, fish and seafood are today a critical topic in food integrity and safety. Whether shipped fresh, frozen, canned or as a key ingredient in prepared food, these products are particularly and uniquely sensitive to foodborne illnesses. Caught wild or raised in aquaculture farms, fishery products are high moisture, making these particular susceptible to pathogens.


Eurofins Microbiology works closely with members of the pork industry to ensure safe food production from farm to fork. Download our guide for Pork Carcass Sampling.


Not all rancidity tests are equally appropriate. Here are some helpful hints regarding how each test is performed, what it reveals, limitations and which may be more important for a given scenario.


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