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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:



Phospholipids may be small molecules, but their impact is immense. By keeping them active and abundant in infant formula, we're taking one step closer to replicating the remarkable composition of human milk—and nurturing healthy development in every bottle. Click the link to learn how.


When you're dealing with a complex matrix, the real question isn’t “Can it be tested?”—it's “What are you hoping to uncover?” Many things can be tested, but the answers depend on asking the right questions. Learn more about testing complex botanical matrices by clicking the link.


Creating shelf-stable nutritional bars and other natural food products is about understanding the science behind food preservation, taste and appearance. One of the most critical factors in the formulation of long-lasting, safe and appealing products is water activity. Water activity plays a major role in maintaining texture, reducing the rate of fats oxidation preventing spoilage and ensuring safety from microbial growth. Keep reading to learn what is being done to create a longer shelf life.


The use of real HMOs in infant formula is accelerating, driven by science, innovation, and a commitment to nourishing infants in the healthiest way possible. Enhanced testing methods are unlocking new capabilities—bringing us closer than ever to replicating the complexity and power of human milk. Click the link to learn more about HMOs.


In today’s competitive marketplace, success hinges on more than just product formulation. You must create a product experience that consistently delights consumers. Continue reading to learn how Eurofins Nutrition Analysis Center can help you understand how your product is perceived in the real world.


As the global appetite for high-protein and plant-based protein products continues to grow, food developers face a critical challenge: choosing the right protein ingredients that meet nutritional needs and perform well in real-world applications. Protein functionality testing is the backbone of successful innovation in this evolving space. Read more about protein testing by clicking the link.


Chlorates and perchlorates are chlorine-based oxyanions that have emerged as contaminants of concern in the food and dietary supplement industries. These compounds are highly soluble in water and persistent in the environment, making them difficult to eliminate once introduced into the supply chain. Continue reading to learn what you can do to test for these contaminants.


Learn how to navigate global GMO export testing requirements with confidence. Discover how Eurofins GeneScan supports compliance with country-specific GMO regulations through expert screening, quantification, and certification.
Keywords: Blog GMO


Ensure compliance and product safety with Eurofins' USP Microbiology Services. Learn how USP Testing and Suitability Testing help validate methods for dietary supplements, probiotics, and botanicals while avoiding false negatives and regulatory pitfalls.


Learn how to prevent, manage, and respond to a USDA NR (noncompliance record) in USDA-regulated facilities. This guide offers practical tips for minimizing USDA noncompliance records through strong food safety systems, communication, and expert support.


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