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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:



What tools do you have in place to prevent cross-contact of allergens in your facility? Check out our helpful and comprehensive guide to understanding and implementing a successful food allergen environmental monitoring plan.


This webinar discusses current analytical trends, focusing on low level cannabinoids testing and meeting stringent limits for pesticide residue testing. We briefly review navigating API and OTC testing to meet GMP requirements. Finally, we share updates related to hemp and feed, as well as the certification process of the USHA.


Ethylene oxide is a highly reactive gas used in some countries to inhibit microbial contamination in certain food products.


This poster discusses the method development of Menadione analysis by Supercritical Fluid Chromatography.


We are proud to share this recently published article authored by Dr. Jean Shoeni, Lead Staff Scientist, Eurofins Microbiology Laboratories, Inc. which provides tools to reduce measurement uncertainty and strengthen the reliability of probiotic enumerations by using analytical procedure lifecycle management (APLM).


New Rapid Pathogen Testing Services. Eurofins Microbiology Laboratories, Inc. is pleased to share our new Enteric Pathogen Risk Indicator (EPRI™) Testing. This new service is a rapid approach to risk identification and management using fast genetic technology (PCR) with the benefits of an indicator test. In addition, we can screen for Salmonella and Shiga toxigenic E. coli at the same time in one assay.


Learn more about the similarities and differences between the terms: fraud, defense, authenticity, and adulteration when it comes to foods, ingredients, and supplements.


Both Good Laboratory Practices (GLP) and Good Manufacturing Practices (GMP) can apply to testing needed for your raw materials and products. Learn how they apply during different phases of the product development process.


Is Front-of-Package Labeling right for you? Learn how Front-of-Package Labeling affects nutritional value and market sales, and how Eurofins can help with testing your products and generating nutritional and dietary supplement facts panels.


New validated methods are here at Eurofins! Check out this white paper written by Joelle Mosso on our new method for faster and more cost efficient pathogen analysis on beef trim using MicroTally® cloths!


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