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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 blog post Andrew Ward discusses using a 3rd party inspection partner to ensure that quality of the products that a buyer is purchasing. Do you have a 3rd party inspection partner?


This presentation is focused on potential hemp regulations and their related dietary supplement regulations.   Some topics during this discussion include section 321(ff)(3)(B) of the FD&C Act and its impact on hemp ingredients, new dietary ingredient requirements and preparation to meet federal regulations for dietary supplements, including dietary supplement Good Manufacturing Practices, should FDA or Congress recognize hemp extracts as lawful dietary ingredients.


To address the industrial needs for rapid and economic analysis of steviol glycoside products we developed and validated a method. This method has the potential to be adapted as an industrial standard for the rapid and economic analysis for testing steviol glycosides.


Food fraud has been a topic that continues to be of high interest. Below are the top risks that should be considered when developing your food fraud plan.


This online presentation announces the establishment of a groundbreaking partnership. Backed by a grant from the US Department of Commerce, the United Natural Products Alliance (UNPA) and National Animal Supplement Council (NASC) have partnered with the China Society for Inspection and Testing (CSIT) and Eurofins to establish a qualification program focused on high-quality botanical and nutritional ingredients from China, and to provide new direct access to the Chinese consumer market for US dietary supplements for humans and pets.


A major manufacturer of vitamins and nutritional supplements was preparing to release a hair, skin and nails product. They tested the product’s Vitamin D levels both internally and with Eurofins.


During this webinar, Tim Lombardo of Eurofins Food Assurance discussed the differences between food security, food safety, food fraud, and food defense. He provided a short history of FSMA and reviewed regulations for food defense and intentional adulteration protection.


This poster describes the method development of Retinyl Acetate and Retinyl Palmitate by Supercritical Fluid Extraction and Chromatography.


This poster describes the method development of the AOAC First Action 2018.16 Method: Sugar Profile by High-Performance Anion Exchange Chromatography.


This scientific poster demonstrates the importance of appropriate HPLC columns when analyzing Vitamin C in serums.


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