JavaScript is disabled. Please enable to continue!

Mobile search icon
More Resources >> Our People >> Douglas L. Marshall

Douglas L. Marshall

Sidebar Image
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:



You believe in your ingredient. You’ve seen the research, tested the science, and refined the story. But for buyers, belief isn’t enough—it needs to be experienced. That’s where a pilot plant makes all the difference. Read our blog to learn about the value of a pilot plant for ingredient suppliers.


How is protein quality determined and how is protein content assessed for food labeling? What is an Amino Acid Score? These questions are all answered in our blog about how PDCAAS shapes nutritional claims.


The Scoop Podcast returns with season 2! In this first episode of the new season, host Keren Breiterman, explores the essential role of vitamins in infant formula and their impact on early development with Staff Scientist Dan Hengst.


Creatine is one of the most extensively studied and widely used ingredients in sports nutrition, prized for its well-documented ability to enhance strength, increase lean muscle mass, and improve performance during high-intensity, short-duration exercise. Learn about its benefits, biological role, and the importance of rigorous testing for quality and compliance.


With rising demand for A2-type dairy, precise A1/A2 testing is essential. Eurofins' advanced LCMS technology ensures product integrity and consumer confidence in a transparent food supply chain. Learn about the structure of A1/A2 and the importance of testing.


Iodine is an essential trace element found in many food sources as well as the environment. AAFCO recognizes iodine as an essential nutrient for both dogs and cats at differing, species specific levels. This infographic explains explores considerations for iodine in pet food and reasons to test for it.


Hydrolyzed proteins play a crucial role in the pet food, animal nutrition, and feed industries, offering significant benefits in digestibility, allergen reduction, and bioavailability. This white paper explores the advantages of hydrolyzed proteins and their impact on product formulation.


The Pet Food Label Modernization (PFLM) initiative is reshaping industry standards, making dietary fiber a required metric. Learn how this change impacts pet food formulations, testing methods, and nutritional transparency.


Listen to our webinar covering general and specific methods for protein measurement, especially for protein claims in foods, beverages, and dietary supplements. Dan Berg, Senior Analytical Services Manager for Eurofins Food Chemistry Testing, share how to use analytical data to establish and verify label claims, protein quality, % Daily Value from PDCAAS, and protein characterization. Originally Aired on April 30, 2025


Two Notices of Proposed Rulemaking (NPRMs) were published on January 17th, 2025 regarding labeling of alcoholic beverages regulated by the federal Alcohol and Tobacco Tax and Trade Bureau (TTB) under the Federal Alcohol Administration Act. Check out our infographic to learn about the proposed rules' components and exemptions.


<< < 1 2 3 4 5 6 7 8 9 10 > >>

https://www.eurofinsus.com/food-testing