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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:



In this on-demand webinar, you will learn essentials of FDA Form 483 observations, compliance responsibilities, and the dietary supplement regulatory landscape. Original airdate November 16, 2023.


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.


Microbiological specifications are tools used to help manage risk in a food business. A specification defines the limits of acceptable and unacceptable conditions at important decision points in the manufacturing and distribution continuum, from ingredient specifications to final product specifications. In this white paper we will explore the types, uses, and creation of microbiological specifications.


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


The current Good Manufacturing Practice (cGMPs) regulations for dietary supplements in the US were implemented in 2007, but there is still a great deal of enforcement activity by FDA. This white paper will provide an overview of the regulations, but more importantly will highlight some of the most commonly cited issues in FDA Form 483 observations.


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.


Developing a new animal veterinary product is a complex, time-consuming process. What should you expect from the development process? What does the typical timeline look like? Get the answers to these questions and more in Part 2 of our Ask an Expert series on developing new veterinary products.


Developing a new animal veterinary product is a complex, time-consuming process. What should be your key considerations? What about guidelines and regulatory bodies? Get the answers to these questions and more in Part 1 of our Ask an Expert series on developing new veterinary products.


Are you incorporating novel or upcycled protein materials in your products? This handout describes a key issue surrounding traditional determination, calculation, and labeling of two compulsory nutrients (protein & carbohydrates) in the US Nutrition Facts Panel.


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.


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