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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:



Acai (Euterpe oleracea) is widely used in dietary supplements and functional foods for its antioxidant-rich profile and its role in supporting healthy aging and overall wellness. As demand increases, so does the risk of adulteration. Learn how Eurofins can protect your product integrity and brand claims.


In today’s rapidly evolving infant nutrition landscape, manufacturers are under increasing pressure to deliver formulas that are both safe and nutritionally aligned with breast milk. One of the most important scientific tools supporting this effort is proteomics. Learn more about how Eurofins leading laboratory is ensuring product integrity, optimizing formulations, and confidently bringing new innovations to market.


Understanding and effectively formulating lipids has become essential for today’s product developers. Whether replacing synthetic preservatives, selecting alternative oils, delivering specific health benefits, or exploring novel lipid technologies, each decision has impacts. Learn how Eurofins testing can help.


As consumer demand for women-focused health solutions accelerates, successful product development requires more than trend alignment, it demands clinically grounded, format-ready ingredient strategies. Learn more about the insights of developing functional food, beverage, and supplements products that address key women’s health needs.


Innovation in the nutraceutical and functional food space is accelerating, but commercialization is struggling to keep pace. The conversation is shifting from “What can we formulate?” to a much harder question: “What will actually work in a factory, at scale, for 12+ months?” Here are the biggest takeaways from Vitafoods Europe 2026.


Per- and polyfluoroalkyl substances (PFAS) have become a growing focus for regulators, manufacturers, and consumers alike especially when it comes to foods intended for vulnerable populations such as infants. Learn about the importance of proactive PFAS testing and how Eurofins can help here.


What makes Eurofins’ Supplement Testing Vitamin D analysis different from standard testing methods? Learn the answer to this question and more in our infographic about Vitamin D Analysis by Mass Spectrometry.


This session explores current state and Federal efforts to define ultra-processed foods and establish related nutritional and ingredient constraints. We discuss how these evolving definitions influence product development, including new challenges surrounding ingredient selection, consumer perception, and regulatory compliance. Originally Aired on April 1, 2026


A food entrepreneur developed an innovative line of ambient, shelf stable pouched snack products that required a full retort process to achieve commercial safety and stability. While interest from retailers and distributors grew quickly, the brand faced a major obstacle - their manufacturing facility was still under construction, leaving them unable to produce at the volume needed to scale. Keep reading to learn how Eurofins can help.


With innovation comes complexity and with complexity comes risk. This is why laboratory testing isn’t just a box to check. For longevity products, it’s one of the most challenging and essential parts of responsible product development.


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