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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 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.


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


This case study details how Eurofins The National Food Lab was able to assist a Consumer Packaged Goods company in setting up a new product lifecycle management system.
Keywords: Case Study Food


After collecting your samples making sure that they arrive at the laboratory at the correct temperature is the main priority.  This guide walks through FIVE key steps for you to follow.


Join Eurofins Senior Staff Scientist, Lukas Vaclavik, for a discussion about per- and poly-fluoroalkyl substances (PFAS) in the food industry. Original airdate July 19, 2023.


This OOS Response Guide breaks down best practices for preparation before an OOS result is received, environmental monitoring program OOS actions, product OOS actions, and follow-up actions to prevent the reoccurrence of contamination.


Company X, a leading national supplier of prepared foods, was set with their environmental monitoring program. Their plan and testing protocols were effective and efficient in collecting samples and evaluating for the organisms of concern. The problem was that they had been unable to eliminate the Listeria or trace it back to a source, so they turned to Eurofins and Rheonix.


In this presentation, Dr. DeMarco illustrates how positive pathogen results can be used to make real improvements in processes, facilitating a safer production environment with lower overall contamination risks and safer food for the consumer. Original airdate July 12, 2023.


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