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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:



Beginning Nov 9, 2023, Eurofins Food Chemistry Testing Madison will include Allulose testing as an optional component of its primary sugar profile analysis, at no additional charge to its valued customers.


Eurofins, a leading global testing company, is thrilled to announce the inauguration of its cutting-edge microbiology laboratory located in Clayton, North Carolina. This state-of-the-art facility is set to cater to the needs of the food, feed, and ingredient industries by providing unparalleled microbiological testing and environmental monitoring services. The laboratory will also serve as a pivotal local access point to Eurofins' extensive network of laboratories worldwide.
Keywords: News Press Release


To support compliance with state regulations, Eurofins SF Analytical now offers a validated GC-MSMS method for the analysis of 1,4-dioxane with a reporting limit of 1 ppm. The method has been validated for use in solids, surfactant-containing solids, liquids, surfactant-containing liquids, solvent-based liquids, and oil-based liquids.


Eurofins Microbiology Laboratories, Inc (Lafayette, CO) is excited to announce it has been certified by the Colorado Department of Public Health and Environment (CDPHE) to conduct microbial hemp compliance testing for industrial hemp and hemp derived products.


The VIRSeek Hepatitis A, Norovirus G1 and G2 assays have been validated by ISO for detecting HAV and NoVG1 and NoVG2 in soft fruits, leaf, stem, and bulb vegetables, bottled water, bivalve molluscan shellfish, as well as on food surfaces.
Keywords: News Press Release


April 10, 2023 - Eurofins Microbiology Laboratory, Inc. in Mounds View, MN is proud to announce both its new partnership with Rheonix and new offering of the Rheonix Listeria PatternAlert™ assay for Listeria presumptive samples. The Listeria PatternAlert™ assay enables rapid identification of recurring patterns of Listeria contamination across locations and time.


Eurofins' Lafayette, Colorado pilot plant, operated by The National Food Lab, is excited to announce a significant upgrade to its beverage canning capabilities, providing three times the daily production of high-quality beverages at an affordable price. This upgrade will take effect immediately, allowing businesses to take advantage of the expanded canning services and their benefits.


March 3, 2023 - Eurofins Craft Technologies Inc. is excited to announce it is the first laboratory in the world to offer an A2LA accredited option for astaxanthin ester profile. By reporting the ester profile rather than converting the astaxanthin to the free-form, there is less manipulation of the product, thereby minimizing the risk of loss and providing a more accurate result. As opposed to alternate methods, the ester profile displays an astaxanthin, profile which can be indicative of source material.


Read about the new gluten test method available from Eurofins helping companies provide additional safety for consumers with celiac disease.



https://www.eurofinsus.com/food-testing