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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:



When developing a new food ingredient or product does it mean to be FDA-compliant? Food grade vs. food-safe, what's the difference? And how is a product generally recognized as safe? Learn more about these FDA terms and if they apply to you.


This webinar discusses current analytical trends, focusing on low level cannabinoids testing and meeting stringent limits for pesticide residue testing. We briefly review navigating API and OTC testing to meet GMP requirements. Finally, we share updates related to hemp and feed, as well as the certification process of the USHA.


Ethylene oxide is a highly reactive gas used in some countries to inhibit microbial contamination in certain food products.


Learn more about the similarities and differences between the terms: fraud, defense, authenticity, and adulteration when it comes to foods, ingredients, and supplements.


Both Good Laboratory Practices (GLP) and Good Manufacturing Practices (GMP) can apply to testing needed for your raw materials and products. Learn how they apply during different phases of the product development process.


Is Front-of-Package Labeling right for you? Learn how Front-of-Package Labeling affects nutritional value and market sales, and how Eurofins can help with testing your products and generating nutritional and dietary supplement facts panels.


NSF Certified for Sport and Informed Sports Certification Program both certify supplements as free of banned substances and other harmful components. Learn which is right for you.


Learn about new trends in sustainable and environmentally friendly animal-based proteins. See what it takes to be One Health Certified and show your commitment to the environment as an animal-based protein producer.


Do your products need a nutritional label?  Do you ever find yourself facing confusion around nutritional labeling requirements?  Let us help with those questions!  Listen to our informational webinar presented by Mollie Hammerschmidt, Analytical Services Manager, Eurofins Nutrition Analysis Center. She answers the most common questions and pain points we receive, from customers just like you, with nutrition labeling requests.


In this blog article Jeff Stassi discusses the importance of designing a meaningful, comprehensive testing program for dietary supplements.


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