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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 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.  He is Technical Director for the Refrigerated Foods Association and Microbiology Task Force Chair for the American Spice Trade Association.  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 and Colorado State University
  • 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, over 300 invited presentations, and over 100 workshops delivered, his scientific research and outreach interests focus on improving the microbiological quality and safety of foods, with emphasis on meat, poultry, seafoods, and produce.  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, inaugural 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:



We are proud to share the publication of a new scientific article from our team overseas.  This article details the optimization of the NMR method, and the validation of the enhancements made.  This unique analysis can differentiate agave inulin/syrup/alcohol from cane or corn adulterants.


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.


How do you determine the identity of a unknown material I found in my product? Patricia Quinn from Eurofins SF Analytical in New Berlin, WI discusses this topic in this short video. Eurofins publishes our Ask an Expert Series weekly on our social media platforms.


Why was the genus Lactobacillus reclassified? Andrzej Benkowski, Technical Leader from Eurofins Microbiology in Madison, WI discusses this topic in this short video. Eurofins publishes our Ask an Expert Series weekly on our social media platforms.


This article discusses aflatoxins in food and how to mitigate risks for food safety. Aflatoxins are a serious concern for food producers, but Eurofins can help with ISO 17025 accredited laboratories for testing as well as On-Site Grain Inspection services.


Have a product needing a Facts Panel and not sure which one to use? This article explains the differences between food and dietary supplement labeling and what food and supplement manufacturers must include on their labels.


This blog will focus on clarifying a less familiar cousin of the well-established sugar – the sugar alcohol.


Is "not detected" the same as "absent"? David Legan, Ph.D. from Eurofins Microbiology in Madison, WI discusses this topic in this short video.


Read about the new gluten test method available from Eurofins helping companies provide additional safety for consumers with celiac disease.


What are osmophilic yeasts and why do they matter? Christine Garduno from our Eurofins Microbiology lab in Fresno, CA discusses this topic in this short video. Eurofins publishes our Ask an Expert Series weekly on our social media platforms.


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