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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:



Food fraud is a widespread and worldwide problem. Watch this video to learn more about which products are most frequently impacted, and how it can impact your business.


Natural and synthetic food dyes are used in almost all industries. Understanding the potential for dye adulteration is critical to knowing how and why products are affected. Furthermore, testing with a third-party lab can lead to standardized product coloration and reliable ingredient claims. This White Paper introduces the types of food dyes, the benefits of testing, types of tests, and considerations for choosing a third-party lab.


During this webinar, Dr. Katerina Mastovska and Dr. Lukas Vaclavik will discuss the importance of third-party testing to ensure your products are safe, compliant with applicable regulations, and trustworthy for consumers! Chemical safety and authenticity of dietary supplements and ingredients used in their production are of paramount importance when it comes to the protection of consumers’ health and compliance with applicable regulatory requirements.  Reliable testing performed by a qualified and experienced laboratory that covers all relevant residues and contaminant groups plays a key role in ensuring the above. Original airdate September 13, 2022.


This method tests for all of the specific illegal adulterants that Amazon requires of its sellers of Sports Nutrition (Body Building) supplements.


This article outlines what ISO 17025:2017 is, and why it is important to choose an accredited lab for testing. An FAQ section details the process and technicalities of ISO accreditations and emphasizes the role of accreditations in providing reliable results.


We are pleased to present the attached method summary for multiresidue pesticide analysis. This method is in accordance with USP 561 and EP 2.8.13. Click to learn more about the pesticides covered with this method and their limits according to USP monographs.


August 5, 2022, Eurofins Craft Technologies’ newly validated phenolic method will initially offer 16 analytes and will continue to expand based on market demands. The new offering covers the following hydroxybenzoic, cinnamic, and hydroxycinnamic acids. Read the full press release to learn more.


Some minerals are found to interfere with vitamin K2 shelf-life stability in nutraceuticals. Watch our video case study to learn how Eurofins Craft Technologies assists clients experiencing formulation challenges.


Food fraud can result in serious public health consequences and damage to your brand's reputation. Learn about products at risk for food fraud and steps you can take to protect your company.


Products marketed for bodybuilding, energy enhancement, and weight loss are sometimes adulterated with anabolic agents, stimulants, or pharmaceuticals. The industry has found that more than 14% of these supplements are adulterated. Find out more why adulteration in sports nutrition is so prevalent and what can be done to help prevent adulteration in your products.


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