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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:



Get key insights from the MAHA Commission’s second report, released September 9, outlining strategic steps for implementation and updates to its original findings.


Discover why analytical testing is essential for dietary supplement and confectionery brands reformulating with natural colors—ensuring compliance, quality, and consumer trust.


Discover how SDS-PAGE, a powerful protein analysis method, supports ingredient quality, transparency, and innovation in the food industry—from meat and dairy to plant-based products.


With growing scrutiny from lawmakers and public health advocates, the once-standard GRAS (Generally Recognized as Safe) process may be on the verge of a major overhaul. In this blog, we break down what GRAS really means, why the self-affirmed process has sparked concern, and how the proposed legislation could redefine the future of ingredient approval in the U.S. food system.


Long before the MAHA Report hits the public in May 2025, lawmakers across the country aren’t waiting around. At both the state and federal levels, a wave of action is already underway driven by rare bipartisan agreement on one urgent issue: cleaning up the food supply chain. With a spotlight on protecting younger populations, the momentum is unmistakable.


In May, the Trump Administration released the Make Our Children Healthy Again report—commonly referred to as the MAHA Report. As a new conversation unfolds, let Eurofins help you dive into its implications for the food industry through a series of weekly posts. While the report spans a broad range of topics, our lens will remain focused on the food, beverage, and consumer goods sectors—where we continue to support companies navigating change and driving innovation. Keep reading to find out more on MAHA Report.


At Eurofins Nutrition Analysis Center, we break down the latest AAFCO changes to dietary fiber labeling in pet foods. In this video, our experts guide you through selecting the right testing method based on product type, offering a comprehensive overview of available analytical approaches.


In this video, Eurofins Nutrition Analysis Center experts delve into the importance of using specialized test methods for chondroitin and glucosamine in complex pet food and treat matrices. We showcase the proprietary method developed by our scientists to overcome analytical challenges and ensure accurate results.


Phospholipids may be small molecules, but their impact is immense. By keeping them active and abundant in infant formula, we're taking one step closer to replicating the remarkable composition of human milk—and nurturing healthy development in every bottle. Click the link to learn how.


The use of real HMOs in infant formula is accelerating, driven by science, innovation, and a commitment to nourishing infants in the healthiest way possible. Enhanced testing methods are unlocking new capabilities—bringing us closer than ever to replicating the complexity and power of human milk. Click the link to learn more about HMOs.


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