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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:



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.


Accurate determination of creatine and its degradation product, creatinine, in raw materials and finished products is essential for quality control and regulatory compliance. This webinar will provide an overview of best practices in HPLC creatine and creatinine testing in diverse range of products, including protein powders, pre-workout formulations, beverages, and gummies. Originally Recorded on August 8, 2025


Issues during the Clean-In-Place (CIP) process, such as insufficient rinsing, can lead to the contamination of products, resulting in quality and/or safety concerns. This on-demand webinar covers various strategies for the detection of CIP chemicals in foods, beverages, and related products. Originally Recorded on June 25, 2025


Eurofins Microbiology Laboratory (EML) New England adds Alicyclobacillus spp. testing to its ISO 17025:2017 scope of biological services. This is an expansion to their existing scope that includes routine pathogen and indicator organism testing for food, food products, beverages, environmental samples, and pet food. 


Botanical innovation is reshaping how companies approach sourcing, formulation, and delivery. Learn how forward-thinking brands are aligning strategy, ensuring scalability, and meeting rising consumer and regulatory demands.


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


June 24th, 2025– In response to evolving regulatory expectations and growing public health concerns for Bisphenol A (BPA), Eurofins Food Chemistry Testing Madison, Inc. (EFCT) has expanded its advanced testing capabilities to detect and quantify BPA. Read our press release to learn more.


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.


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