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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:



IR spectroscopy, including NIR and mid-IR, is a useful technology for food and beverage analysis. The experts at Eurofins QTA recently answered five common questions about IR spectroscopy to help you determine if it is right for you and your products. This infographic provides an overview of how IR spectroscopy is helpful for product analysis.


Eurofins QTA combines infrared technology, advanced modeling techniques, and a simple user interface to provide detailed results on site in real time. Watch this short demonstration to learn how the QTA system works for marine products.
Keywords: Video QTA Meat


Learn how infrared spectroscopy can unleash the power of quality data for your operations. Original airdate April 26, 2023.


What is spectroscopy? What is the difference between NIR vs. Mid IR? What are the benefits of NIR vs traditional wet chemistry? The team at Eurofins QTA answers these questions and more in this edition of our Ask An Expert blog about infrared spectroscopy.


Eurofins QTA offers a unique service by testing using infrared lights. Learn about what infrared is, how it works, how QTA differentiates from other providers, How to convert to infrared testing, and how to get started with QTA.


As NIR instrumentation ages or manufacturers discontinue the support for older platforms, it is necessary to look for a replacement. With so many brands and models in the market and manufacturers’ claims of impressive capabilities, how does one narrow down the selection and find the correct choice?


Rapid Analysis of In-Process Fish Oil by Quality Trait Analysis (QTA) Infrared Spectroscopy


In this article read about how Eurofins QTA has developed a new method using NIR to test the THC levels of hemp and cannabis that are being utilized by state police to rapidly determine the THC levels of confiscated cannabis.


Eurofins is pushing the boundaries of NIR technology by pushing infrared into new material matrices and quantitative analysis. A Eurofins QTA customer is demonstrating these new applications on limestone mines by determining how much calcium carbonate and magnesium are coming out of the mines.


Southern Hemp Marketplace (SHM), LLC., announced that Eurofins Quality Trait Analysis (QTA) will join its first-ever International Hemp Auction and Market (IHAM) as the official lab analysis partner. This partnership yields rapid transparency for buyers of hemp and CBD products with regards to potency, profiles and purity.


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