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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 GeneScan Lab Manager, Jeffery Ambrose, discusses the complexities of plant-based GMO detection, including regulatory insights, risk mitigation strategies, and practical testing applications. Original airdate July 15, 2024.
Keywords: Webinar GMO


Eurofins GeneScan is pleased to announce the promotion of Frank Spiegelhalter to the position of Chief Scientific Officer (CSO) for Allergens and GMO Testing. In this new role, Frank will lead GeneScan's efforts in advancing allergen and GMO testing capabilities, continuing the tradition of innovation and excellence that the company is renowned for.


The regulations and requirements surrounding bioengineered foods are confusing, especially when navigating federal regulations and the voluntary non-GMO Project verification. This FAQ answers common questions surrounding the National Bioengineered Food Disclosure Standard, the non-GMO Project, and testing options at Eurofins.


This webinar will provide insights on how a manufacturer validates Bioengineered removal processes and verify compliance with the rule. Original airdate September 15, 2022.


The USDA establishes a new standard for disclosing bioengineered food. Does the mandate apply to you? Read to learn more.


Food and supplement industry trends show consumers’ want more transparency. Learn more about what consumers are interested in and how working with a transparent third party lab can help you build a more trustworthy brand.


In this digital conference Eurofins experts, industry partners and food safety thought leaders guide attendees through a discussion of the latest solutions and controls for persistent pet food manufacturing issues.


Discover the strategies for GMO testing and how Eurofins GeneScan can help you with any testing needs.



https://www.eurofinsus.com/food-testing