JavaScript is disabled. Please enable to continue!

Mobile search icon
More Resources >> Our People >> Douglas L. Marshall

Douglas L. Marshall

Sidebar Image
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:



Are you struggling with positive environmental pathogen tests? This may indicate that your facility is suffering from microbial harborage sites. A harborage site is a growth niche in which bacteria or other microorganisms can reside and grow for months and possibly years.


QTA technical experts will work with client to develop infrared testing methods for their high volume and high frequent products. The tests are easy to use by any operators, non-technical personal with minimal training.


In this white paper, you'll learn more about the details of Section 402(a)(1) of the Food Drug and Cosmetic Act that defines adulteration. What is considered contamination? How it can happen. What levels of extraneous material are acceptable? Filth analysis should be part of any HACCP plan that requires examination of raw material.


Eurofins presents a validation of USP <467> residual solvent methodology for testing on CBD and hemp-based products at the North American Chemical Residue Workshop.


Eurofins presents at AOAC Annual Meeting and Exposition in 2020 summarizing the modifications made to the AOAC Official Method 2018.11 for quantification of cannabinoids to include conversion of Δ9-THCA into Δ9-THC.


Eurofins develops and validates a versatile HPLC-UV/DAD method for analyzing twelve major cannabinoids in dried plant materials, concentrates and oils. Method was granted AOAC First Action OMA status (AOAC Official Method 2018.11).


As Minneola, a hybrid between grapefruit and mandarin, has become more popular it may be susceptible to fraud and/or adulteration. This poster shows the phenolic pattern of this fruit, in relation to other orange, grapefruit and mandarin fruits that may be used to identify its juice or juice concentrate.


In this blog post Dan Berg, Food Scientist, Analytical Services Manager for Eurofins Food Integrity & Innovation talks through the top 10 things you should know about the new nutritional facts panel rules.


In this document, you will see the list of chemicals on the Proposition 65 list and learn how Eurofins is prepared to help you develop your products, qualify your supply chain, and conduct ongoing quality control to minimize the risk of incomplete labeling.


This document describes the nutrition and supplement facts labels changes.


<< < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 > >>

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