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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:



Your CBD and hemp-derived multiple-use cosmetic and personal care products that contain preservatives need to be tested to assure the preservation, or antimicrobial action is adequate to fight the introduction of microorganisms.


Does your food or supplement package contain translucent packaging? If so, your product and its ingredients could be susceptible to photochemical changes. This infographic illustrates the mechanics of photostability studies as well as the key attributes and product types impacted by light exposure.


The Eurofins network of laboratories has multiple laboratories that have been specifically outfitted to meet customer's needs for shelf life and product stability testing.


Here we are in the third post of a series focusing on pet food, pet treat, and pet supplement testing considerations. We have explored guaranteed analysis and other testing considerations such as shelf life and microbes. This time around I’ll expand on a topic that people often view as less a food safety issue and more of a palatability issue: Rancidity.


This series is focused on getting new pet food, pet treat, and pet supplement businesses headed down the right path.


Not all rancidity tests are equally appropriate. Here are some helpful hints regarding how each test is performed, what it reveals, limitations and which may be more important for a given scenario.


In this digital conference Eurofins experts, industry partners and food safety thought leaders guide attendees through a discussion of the latest solutions and controls for persistent pet food manufacturing issues.


Product stability in a global market: what factors affect your product delivery? Eurofins shares the factors that impact your products.


Eurofins NAC presents on how to sell more of your product with Organoleptic Analysis.


Eurofins NAC explores the Key Benefits for Using an Accelerated Shelf-Life Study


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