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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:



With rising demand for A2-type dairy, precise A1/A2 testing is essential. Eurofins' advanced LCMS technology ensures product integrity and consumer confidence in a transparent food supply chain. Learn about the structure of A1/A2 and the importance of testing.


Discover how we helped a client reformulate their restaurant-crafted simmer sauces for retail success—reducing sodium from 2,000 mg to 200 mg per serving while preserving the bold, authentic flavors that made them a customer favorite.


Discover how to reduce sodium without sacrificing taste or functionality in food and beverage products. This white paper explores formulation strategies, technical insights, and best practices for achieving sodium reduction while maintaining consumer appeal.


Join us for an informative session focused on understanding and solving common food packaging failures. Whether you're dealing with leaking, corrosion, or unexpected damage during distribution, identifying the root cause is essential to maintaining product quality, safety, and brand trust. Originally Aired on May 14, 2025


Bringing food and beverage ideas to market takes more than creativity—it demands technical expertise, strategic planning, and cross-functional collaboration. This roadmap infographic highlights the seven stages from idea to product launch.


California Bill 899 aims to safeguard public health by strengthening regulations around product safety. Its potential impact on baby food testing is particularly critical, as it addresses the need for heightened scrutiny in this vital industry. Check out our infographic to learn about the new requirements and why they matter.


As the global food industry continues to evolve, understanding and mitigating the risks associated with mycotoxins is more critical than ever. This session will provide a comprehensive overview of mycotoxins, exploring their sources, types, and the severe health and economic impacts they can have. We will discuss advanced detection methods and monitoring strategies that are essential for maintaining food safety standards. Originally Aired on May 6, 2025


Listen to our webinar covering general and specific methods for protein measurement, especially for protein claims in foods, beverages, and dietary supplements. Dan Berg, Senior Analytical Services Manager for Eurofins Food Chemistry Testing, share how to use analytical data to establish and verify label claims, protein quality, % Daily Value from PDCAAS, and protein characterization. Originally Aired on April 30, 2025


In the dietary supplement and ingredient industry, guaranteeing the safety and quality of products is essential. One important part of quality control is the testing for residual solvents—volatile chemicals used during manufacturing that can pose health risks if not adequately removed. Click to read our blog on considerations in testing for residual solvents.


Compendial methods used for detecting sulfur dioxide and sulfites are prone to challenges, including false positives in sulfur-rich matrices. Eurofins Food Chemistry Testing Madison, Inc. offers a solution. Click to read about the innovative LC-MS method for determining sulfur dioxide and sulfites in food products.



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