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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:



This webinar presentation covers a background review of how we have come to report results as “presumptive”, the current state of rapid and confirmation testing, and possible future direction. Original airdate December 7, 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.


In this on-demand webinar, you will learn how to assess your microbiological food safety hazards related to these holding steps and determine if pathogen growth and/or toxin production may occur. We will discuss several case studies as well as different strategies you may employ to address these identified risks. Original airdate October 11, 2023.


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 Craft Technologies has a broad range of service offerings, including phytochemical analysis, carotenoid profiles, vitamin testing, and various biological analyses. This flyer highlights the current offerings and details how Craft can support your testing needs.


This case study details how Eurofins The National Food Lab was able to assist an ingredient supplier in understanding their new product's key performance differentiators to demonstrate their value proposition to potential clients.


This case study details how Eurofins The National Food Lab was able to assist a Consumer Packaged Goods company in evaluating the options for plant protein alternatives as a new ingredient option.


PFAS limits and allowances in food contact materials, food products, and the environment are increasing. The FDA banned some PFAS compounds and has strict regulations on others. This flyer provides an overview of PFAS regulationsand how Eurofins can support your PFAS monitoring programs.


In this webinar Jamie Willems, Ph.D. and Lily Zehfus, M.Sc. discuss common causes of off-odor, off-flavor, and flavor scalping issues as well as GC-MS techniques for troubleshooting. Original airdate September 12, 2023.


This case study details how Eurofins The National Food Lab was able to assist a Fortune 100 CPG company in migrating all of its ingredient and formulation data to a new PLM platform.
Keywords: Case Study Food


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