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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:



Watch this on-demand webinar to gain an understanding of the requirements of CA Bill AB 899, learn how to navigate testing, and hear some answers to commonly asked questions. Original airdate May 30, 2024.


Join host Keren Breiterman, for episode 6 of The Scoop Podcast. In this episode, Keren and guests Ed Ladwig, President, Ian Laessig, Business Unit Manager, and Marisa Feller, Business Unit Manager, Eurofins Food Chemistry Testing Madison discuss vitamin and nutrient testing in infant formula samples.


Join host Keren Breiterman, for episode 5 of The Scoop Podcast. In this episode, Keren and guest Justin Heller, Lead Technical Scientist at Eurofins SFA Micro in Horsham, PA, we discuss microbiology testing in infant formula including Cronobacter and what to look for in a microbiology lab.


Join host Keren Breiterman, for episode 4 of The Scoop Podcast. In this episode, Keren and guest Tammy Olson, Stability Program Manager at Eurofins Food Chemistry Testing in Madison, Wisconsin talk about shelf-life studies for infant formulas.


Join host Keren Breiterman, for episode 3 of The Scoop Podcast. In this episode, Keren and guests Dan Merkel, President of Product Safety Labs and Satish Patel, Business Development Director at Product Safety Labs, discuss Protein Efficiency Ratio (PER) studies, for infant formula companies.


Join host Keren Breiterman and guest Cosmin Beliciu, Project Leader at the National Food Lab, for episode 2 of The Scoop Podcast. During this episode, Cosmin shares his expertise on infant formula formulation and scale-up.


Join host Keren Breiterman for episode 1, as she discusses more details about The Scoop podcast series, where we discuss all things testing, regulatory, and go-to-market when it comes to Infant Formula. Keren gives thoughts on the Infant Formula industry as it stands today in the US, and speaks about some of the guests who will be joining her.


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.


In this webinar we review the call to action from the FDA, provide an overview of the technology of whole genome sequencing. Discuss the benefits of whole genome sequencing, and review the ways that Eurofins is ready to support your testing needs. Original Air Date May 18, 2023


Ethylene oxide is gaining attention in the food regulatory space. EtO was banned as a food fumigant in 1991 in the EU. While ethylene oxide is not banned for use in foods in the United States, it is important to understand the allowed tolerances in the US and EU, especially as regulations continue to evolve and online sales contribute to increasing overseas exports. This article outlines the uses and toxicity of EtO, US and EU regulations, and EtO analysis at Eurofins.


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