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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:



Learn about the most common food pathogens and their impact in food handling and production. Testing your products can help manage risk of contamination from pathogens. Partner with Eurofins for all of your food safety testing needs.


NSF Certified for Sport and Informed Sports Certification Program both certify supplements as free of banned substances and other harmful components. Learn which is right for you.


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.


Testing food and ingredients is a proactive step you can take to analyze and verify the quality and safety of your products.  There are many considerations you should know about using test kits and instruments in your manufacturing plant. This article provides advice and considerations when buying in-house test kits and instruments.


In this blog article Jeff Stassi discusses the importance of designing a meaningful, comprehensive testing program for dietary supplements.


This article discusses the main labeling requirements for food allergens in the US as well as the recent addition of sesame to monitored allergen list for foods and supplements in the US. Learn more regarding upcoming changes and allergen testing.


Eurofins has completed the development and validation of a ultra-high-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method for low-level quantification in CBD isolate matrices.


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.


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