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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 also 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.  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
  • 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 and over 180 invited presentations, his scientific research and outreach interests focus on improving the microbiological quality and safety of foods.  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, former 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:



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


Watch this on-demand webinar to learn about the significant organic food industry growth. The webinar provides an overview of the impact of SOE on certified entities, and a discussion on how to build risk management systems to meet regulatory and consumer expectations for your products' organic integrity. Original airdate April 19, 2023.


The research and development team of Eurofins Microbiology Laboratories, Inc. set out to better understand STEC growth on lettuce by designing an experiment to observe the limits of detection by real-time PCR using bacteria that were cold-stressed against those grown under non-stressed conditions. This white paper explains further.


Do you work with animal veterinary products? Join Kari Nichols and Leo Schilling as they help you navigate the process for animal veterinary product development. Original airdate March 29, 2023.


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.


Eurofins is proud to offer a new service as part of its dairy testing portfolio. The Eurofins team has developed and validated a method to detect recombinant Bovine Somatotropin (rBST) in liquid milk products.


USP <561> Articles of Botanical Origin details testing for raw materials used in pharmaceuticals. Eurofins Chemistry has expanded their methods to include raw materials, dietary supplements, and Cannabis (spp.). This brochure describes methods for measuring aflatoxins, elemental contaminants (heavy metals), and multiresidue pesticides.


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.


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