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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 we'll provide you with the tools and knowledge you need to navigate Amazon's Dietary Supplements Policy. Original airdate April 24, 2024.


In this on-demand webinar discover the strategies to address chemical contamination in Clean in Place (CIP) processes effectively. Original airdate April 17, 2024.


In this webinar, Dr. Douglas Marshall, Chief Scientific Officer of Eurofins Microbiology, discusses the best practices to help resolve product and environmental contamination events with a focus on effective root cause analysis and deployment of corrective actions as well as consideration of successful long-term preventive actions. Original Air Date May 24, 2023


This is an on-demand webinar on the Innovative Feed Enhancement and Economic Development (FEED) Act of 2023. Discover how this revolutionary regulatory pathway distinguishes animal feed ingredients as additives, not drugs, promoting innovation, safety, and improved nutrition. Original airdate April 2, 2024.


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.


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.


In this on-demand webinar, Eurofins Microbiology Laboratories has partnered with Rheonix to explore the challenges centering around recurring Listeria in an environment, and to offer real answers to your nagging Listeria questions and limited industry resources. Original airdate November 14, 2023.


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.


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 is a follow up on our very successful previous webinar session where we discussed what is flow cytometry, advantages and disadvantages of flow cytometry, and marketplace examples and investigative case studies. Original airdate August 8, 2023.


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