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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:



Off-flavor and off-odor issues can damage your brand reputation and even result in recall. Watch our webinar to learn how Eurofins uses gas chromatography with mass spectral detection (GC-MS) to provide solutions for off-flavors, off-odors, and flavor scalping caused by improper product packaging, or production or transportation issues. This webinar was originally recorded on October 01, 2020.


Are you a food safety, quality, design, packaging production, or risk mitigation professional? Learn the top reasons for packaged food, beverage, and ingredient failures—and what to do when faced with a crisis scenario.


This white paper explores off-flavor and odor investigations performed by Eurofins SFA. Authored by Eurofins' scientist Jamie Willems Ph.D.


The suspected toxicity risks of microplastics as contaminants in drinking water sources have been known for years. However, public concerns recently thrust microplastics to the forefront of the health and safety conversation. In our webinar, Dr. Mike Dziewatkoski of Eurofins SF Analytical covers the current status of microplastics testing.


This Eurofins SFA case study highlights their investigative capabilities and work with legal and insurance claims. Here they take you on a guided case study, where they investigate an allergen claim originating in a restaurant.


Whether it’s a finished food item or a component of pharmaceuticals, identifying suspect batches of any product is an important part of the quality control process. In this webinar, Michael Dziewatkoski of Eurofins gives you the inside look into analysis of foreign materials along with actual case studies.


Eurofins SFA or Eurofins SF Analytical offers a wide range of food testing services. This case study highlights their Special Projects and Investigative capabilities as they take you on a guided case study, where they investigate a mysterious white residue on dog treats. Follow them every step of the way to learn how they solved this mystery!


Food Safety – Packaging Concerns – Opening Up a Can of …Well You Know. Learn about packing concerns from this case study performed by Eurofins SFA.


Eurofins SF Analytical utilizes scanning electron microscopy (SEM) to solve contamination mysteries for two high-profile food manufacturers.


Eurofins SFA investigates an interesting find in a customer's asparagus product.


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