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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:



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


Besides flavor, salt is commonly used as a preservation ingredient to bind available water and help lower the water activity. It helps create conditions that are hard for pathogens to grow in. Learn more how the addition of salt in a smoked salmon product is not very straightforward with removing pathogen risk.


Doug Marshall, Ph.D., Chief Scientific Officer, reviews recent FDA and USDA regulatory updates that affect food processors. The updates include new rules and regulations, upcoming deadlines, regulator surveillance activities, recalls, and outbreaks. Hear about PFAS, pesticides, mercury, histamine, sodium reduction, ag water, allergens, traceability, Appendix A & B, and other important activities.


In this webinar, Doug Marshall, Chief Science Officer at Eurofins Microbiology discusses an approach to zone 1 testing that recommends non-direct-contact surfaces simultaneously for pathogens and indicators, then building a correlation between quantitative indicator count and Salmonella or Listeria prevalence. Dr. Marshall will share insights on how companies are employing this approach, including exploration of the various philosophical and scientific rationales for zone 1 pathogen testing.


In this webinar, Dr. Douglas Marshall, Ph.D., Chief Scientific Officer of Eurofins Microbiology, outlines his most valuable tips for an effective environmental monitoring program.


Food Genomics Column: In the world of regulatory and probiotic microbiology the “name” is critical.


Tune in to this on-demand webinar to hear from Chief Scientific Officer Doug Marshall about the many possible risks that ingredients pose.


A guide through the genomics language barrier from Eurofins experts and Food Safety Tech.


These microorganisms can also help you define and mitigate risks.


These microorganisms open the door to the vast and varied biosphere of the microbiology of food.


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