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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 GLP-1 medications are reshaping consumer behavior and driving innovation in food, beverage, and supplement industries , ushering in the “smaller-appetite era” of nutrition and wellness.


Whole genome sequencing is no longer just a research tool. It’s a critical asset in food safety, outbreak response, and public health protection. Read our blog to learn more about whole genome sequencing and how it helps us better understand organisms like Salmonella and Cronobacter in food and infant formula.


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.


Grain trading, especially in commodities like soybeans, relies on accurate lab analysis to determine quality and compliance. But when discrepancies arise between a supplier and a buyer, these disagreements can stall deals and generate costly conflict. That’s where referee testing steps in. Click to read about this crucial process that maintains trust and transparency. 


Discover how dietary supplement companies can proactively mitigate risk—from sourcing to packaging—to protect product integrity, brand reputation, and consumer trust.


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 expert insights from Cheryl Muse, Rail Manager at Eurofins Grain Inspection, as she shares practical tips and key indicators for evaluating grain quality and mycotoxin risks—backed by over 20 years of industry experience.


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.


Have questions about the Eurofins ANSI 173 Finished Dietary Supplement and Ingredient Certification or Eurofins Protocol 101? Check out our guide for the answers to frequently asked questions regarding Eurofins Certification.


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