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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:



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.


With the release of the Make America Healthy Again (MAHA) report, the food and supplement industries are facing a pivotal moment. Join two of our leading experts as they unpack the report’s findings and explore what they could mean for consumer-packaged goods (CPG) companies. From reformulation strategies to enhanced ingredient scrutiny, this session will help industry professionals prepare for a wave of potential changes. Originally Recorded on August 21, 2025


At Eurofins Nutrition Analysis Center, we highlight the critical role of texture analysis in pet food quality. This video explains how texture analysis quantifies product consistency and provides valuable insights into performance across the supply chain from R&D to addressing customer complaints.


In an industry rooted in nature but constantly evolving with science, botanical supplements are experiencing a quiet revolution. Innovation isn't just about discovering exotic new plants—it's about precision, purpose, and progress at every step of product development. Check out our infographic on your botanical product's steps, from seed to shelf.


Explore the fast-evolving world of functional beverages with insights on formulation trends, innovation challenges, and scale-up strategies from The National Food Lab.


Are microbial stability challenges affecting the formulation or shelf life of your nutritional bar or natural product? Food safety is essential in product development, ensuring consumers enjoy innovative flavors with confidence. Join Dr. Malcond Valladares and Ed Collins in this webinar as they explore food safety concerns specific to nutritional bars natural products and share formulation strategies to enhance microbial stability. Originally Recorded on June 19, 2025


Bringing a new food or beverage product to life takes more than a good idea—it takes execution. And for early-stage brands, that executional gap between your kitchen and your consumer can feel massive. The problem isn’t passion or creativity. It’s infrastructure. Enter: The Pilot Plant.


You’ve launched before. You know the drill. But in today’s landscape—where trends evolve fast and pressure to innovate is nonstop—even the best R&D teams need an edge. Enter: the pilot plant. It’s your sandbox for rapid iteration, precise testing, and format exploration—without tying up commercial line time or internal resources.


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.


Explore how The National Food Lab, Eurofins’ Product Development Center of Excellence, helped a start-up successfully launch a new Greek yogurt product line—blending innovation with tradition to meet evolving consumer demands.


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