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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:



April 17, 2025 - The Eurofins Nutrition Analysis Center in Des Moines, IA has successfully developed and implemented advanced methods specifically tailored for pet foods and pet supplements. Click to read about the new glucosamine and chondroitin sulfate method offerings.
Keywords: News Pet


February 20, 2025 - We are excited to announce the promotion of Dan Brouman to President of the National Food Laboratory (NFL), effective immediately.
Keywords: News


February 17, 2025 – In response to increasing global demand for high-phenolic olive oils, Eurofins Craft Technologies Inc. has developed an innovative method for quantifying Valuable Olive Polyphenols (VOPs) in olive oil, olive leaf extracts, and other olive-derived products. Read more about the new method and applications for olive oil products.


Nestled in the heart of California’s San Joaquin Valley, Fresno is a thriving agricultural hub renowned for its diverse produce, dairy farms, and food manufacturing operations. Strategically positioned within this bustling industry, Eurofins operates three specialized laboratories in Fresno, each dedicated to providing cutting-edge testing and support tailored to the region’s needs.
Keywords: News Produce


The southwest leafy green industry has once again completed its migration south and Eurofins Microbiology Laboratories Yuma is ready. This year the lab has upgraded to better support the industry.
Keywords: News Produce


November 2024 - Eurofins DQCI and Eurofins Microbiology Laboratories, Inc. are excited to announce the launch of an innovative new test for Avian Influenza A in raw milk, designed to safeguard dairy herds and ensure the health and safety of milk production. This test offers dairy farmers and processors a crucial tool to detect and manage avian flu outbreaks efficiently.
Keywords: News Dairy


October 2024 - Eurofins Botanicals is proud to announce the first-of-its-kind partnership with LeafWorks to launch the industry’s first Mushroom DNA Species Identification Tests. The first DNA ID tests will focus on Shiitake and Cordyceps species, with additional mushroom tests being released in 2025.


Explore Eurofins Microbiology events and presentations that were featured at the 2024 annual meeting of the International Association of Food Protection (IAFP) in Long Beach, CA. The focus of the event was Eurofins science and its scientists who once again demonstrated their technical dominance of the food industry through a variety of poster presentations and technical symposia, as well as leadership of professional development groups.
Keywords: News Microbiology


Eurofins Microbiology Laboratories in Salinas has met this industry demand for quality, and as a result has expanded the Eurofins presence within the produce market.
Keywords: News Produce


Eurofins Microbiology Laboratories, Inc. of Milwaukee, WI is proud to announce the development of a new test method for acetic acid bacteria enumeration, intended for utilization by clients in the beverage industry.


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