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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:



Explore why technical diligence is critical in food & beverage M&A. Learn how Eurofins helps private equity firms assess scalability, supply chain stability, and innovation pipelines to reduce risk and drive growth.


The FDA and USDA are seeking public input to define ultra-processed foods (UPFs), aiming to shape future labeling, regulation, and consumer awareness. Learn how this RFI could impact food policy and public health.


With the overall market movement towards "better for you" foods, many companies have already started adding new or reformulated products to their portfolios. Click to read our blog about the market action being taken and strategies companies have deployed to appeal to the Make America Healthy Again movement.


Discover how Eurofins Product Development & Innovation helps private equity firms turn promising food & beverage startups into scalable, profitable brands through technical expertise, consumer insight, and product development rigor.


Discover expert insights into navigating Out-of-Specification (OOS) results and CAPA investigations. Learn key steps and strategies our technical team uses to resolve unexpected analytical outcomes effectively.


Explore a real-world OOS case study where collaborative investigation revealed formulation challenges as the root cause. Learn how targeted troubleshooting helped a client improve product consistency and manufacturing protocols.


In this webinar, our experts will discuss the latest international regulations, the impact of recycled materials, and how proactive testing strategies can keep your packaging safe and compliant. Originally Recorded on September 17, 2025


Discover how a leading plant-based food company partnered with Eurofins DQCI to implement a precise calibration strategy, ensuring consistent and accurate protein testing across multiple production sites.


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.


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.


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