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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:



The Stakeholder Program on Infant Formula and Adult Nutrition is an AOAC group dedicated to approving methods for testing the formulation and purity of infant formulas and nutritional products. Eurofins has always played a large role in SPIFAN, and continues to contribute new methods and expertise. Infant formula manufacturers can turn to Eurofins for all SPIFAN testing needs.


Pyrrolizidine alkaloids are a wide group of natural toxins that present a potential risk to consumers. Find out more if your dietary supplements or herbal supplements are at risk and how to test and verify your product's safety for consumers.


The USDA establishes a new standard for disclosing bioengineered food. Does the mandate apply to you? Read to learn more.


Which food labeling rule applies to your food product? Learn more about USDA and FDA Food Labeling guidelines, coverage, and differences.


Botanical reference materials play a critical role in herbal product testing. Learn about the importance of botanical reference materials, and how choosing a lab with a large reference material library impacts analytical outputs.


Watch this webinar to gain an understanding of the difference between the USDA and FDA labeling regulations.  Also, learn which products fall into which regulation.


Analytical method development and validation is a complex topic; in this webinar, Josh Rhein and Leo Schilling attempt to break it down for you and discuss some best practices.


What are the labeling standards for gluten-free foods? Gain insights on the FDA's definition of gluten-free products and foods and how to meet voluntary labeling standards.


Learn more about global food security, why it is important, and how food science and technology play an important role in mitigating global food insecurity and reducing food waste.


When developing a new food ingredient or product does it mean to be FDA-compliant? Food grade vs. food-safe, what's the difference? And how is a product generally recognized as safe? Learn more about these FDA terms and if they apply to you.


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