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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:



As a food manufacturer, you have several options for adding sweetness to your product, including sugars, sugar alcohols, and artificial sweeteners. But how do they compare, and how do they impact the caloric content of your final product?
Keywords: Blog Nutritional


Navigating the testing options and regulatory requirements for pet foods and treats gets confusing, even for long standing companies. This infographic provides an overview of the key components of a testing plan for pet foods, including nutritional analysis, microbial testing, and product formulation.


Beginning Nov 9, 2023, Eurofins Food Chemistry Testing Madison will include Allulose testing as an optional component of its primary sugar profile analysis, at no additional charge to its valued customers.


Launching a pet food or pet treat company can be an exciting journey, but ensuring the safety, quality, and compliance of your products is crucial for success. Not sure where to start? There's where we can help.


Eurofins Craft Technologies has a broad range of service offerings, including phytochemical analysis, carotenoid profiles, vitamin testing, and various biological analyses. This flyer highlights the current offerings and details how Craft can support your testing needs.


As the global leader in food testing, Eurofins has a few tips as you prepare your sample for submission to our laboratories. These tools will inform you how to expedite the testing process, ensure sample integrity and keep your samples on track. Connect with us today to get started!


Are you incorporating novel or upcycled protein materials in your products? This handout describes a key issue surrounding traditional determination, calculation, and labeling of two compulsory nutrients (protein & carbohydrates) in the US Nutrition Facts Panel.


Are you incorporating novel or upcycled protein materials in your products? If so join Mollie Van Alst for this webinar to learn more about the determination of protein and carbohydrates from that material. Original airdate March 30, 2023


Manufacturers and marketers of dietary supplements often have questions about what testing is required for Supplement Facts labels. This white paper is intended to provide information to help companies make informed choices about the testing and claims made on dietary supplements.


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.


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