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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:



This document describes the nutrition and supplement facts labels changes.


In this three-part series Dan Berg, Food Scientist, Analytical Services Manager at Eurofins talks through some of the more complicated issues and some related manners to consider for manufacturers in their efforts to meet the current regulations for Nutrition Facts and Supplement Facts panels. In this first part of the 3 part series, he discusses RACCs (Reference Amounts Customarily Consumed), Dietary Fiber, and Added Sugars.


In this three-part series Dan Berg, Food Scientist, Analytical Services Manager at Eurofins talks through some of the more complicated issues and some related manners to consider for manufacturers in their efforts to meet the current regulations for Nutrition Facts and Supplement Facts panels. In this second part of the three part series, he discusses vitamins (A, D, E, and Folic Acid/Folates).


In this three-part series Dan Berg, Food Scientist, Analytical Services Manager at Eurofins talks through some of the more complicated issues and some related manners to consider for manufacturers in their efforts to meet the current regulations for Nutrition Facts and Supplement Facts panels. In this the final part of the three part series, he discusses other related rules.


To address the industrial needs for rapid and economic analysis of steviol glycoside products we developed and validated a method. This method has the potential to be adapted as an industrial standard for the rapid and economic analysis for testing steviol glycosides.


This online presentation announces the establishment of a groundbreaking partnership. Backed by a grant from the US Department of Commerce, the United Natural Products Alliance (UNPA) and National Animal Supplement Council (NASC) have partnered with the China Society for Inspection and Testing (CSIT) and Eurofins to establish a qualification program focused on high-quality botanical and nutritional ingredients from China, and to provide new direct access to the Chinese consumer market for US dietary supplements for humans and pets.


Check out this informative email exchange between Keren Breiterman and Darryl Sullivan about trends in the Infant Formula testing space.


Our webinar hosted by Dr. Neal Craft, Chief Scientific Officer of Eurofins, explores the world of natural pigments, testing methods, and unique matrix challenges.


A major manufacturer of vitamins and nutritional supplements was preparing to release a hair, skin and nails product. They tested the product’s Vitamin D levels both internally and with Eurofins.


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.


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