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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:



Oil and water don't mix, but they can be made into an emulsion. In this blog read about how emulsions in food products can pose issues for traditional analytical methods and how Eurofins rises to the challenge with specific methodology for these food products.


Eurofins now offers validated methods for chondroitin testing on sports nutrition and joint health supplements.


In this blog post Eurofins Analytical Services Manager Jeff Stassi explains why it is so important to set specifications for dietary supplements.


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


In this blog post Dan Berg, Food Scientist, Analytical Services Manager for Eurofins Food Integrity & Innovation talks through the top 10 things you should know about the new nutritional facts panel rules.


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.


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