JavaScript is disabled. Please enable to continue!

Mobile search icon
More Resources >> Our People >> Douglas L. Marshall

Douglas L. Marshall

Sidebar Image
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:



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.


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.


Learn about frequent causes of off-flavor, off-odor, and flavor scalping in packaged foods, beverages, and pet food products, including analytical techniques ranging from GCMS to ICP to LCMSMS for troubleshooting and detection, with a focus on SPME-GC-MS analysis. Learn how improper product packaging, production, or transportation issues can cause your product to be recalled. Factors that can negatively impact flavor and aroma. The analytical techniques range from GCMS to ICP to LCMSMS for troubleshooting and detection.


Pyrrolizidine alkaloids are a wide group of natural toxins that present a potential risk to consumers. Find out more if your dietary supplements or herbal supplements are at risk and how to test and verify your product's safety for consumers.


The botanical supplement and cosmetic industries are rapidly changing, and the increase in consumer demand calls for upscaling raw material sourcing. This means there is higher pressure for scientifically-valid contaminant testing, including screens for pesticides and heavy metals, while maintaining a fast turn-around time. Watch this webinar to learn modern approaches to contaminant detection, with an emphasis on market trends, broad dietary supplement applications, and OTC cosmetics.


PFAS have valuable uses and extreme chemical stability, but can lead to adverse health outcomes. Learn why PFAS testing in foods is now becoming an essential need for your food and supplement products in the market.


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


Eurofins Food Chemistry Testing (Madison, WI) is excited to announce it is the first testing laboratory certified by the Colorado Department of Public Health and Environment (CDPHE) to conduct hemp compliance testing for manufactured industrial hemp products for all seven of the CDPHE certification categories.


This article discusses aflatoxins in food and how to mitigate risks for food safety. Aflatoxins are a serious concern for food producers, but Eurofins can help with ISO 17025 accredited laboratories for testing as well as On-Site Grain Inspection services.


The risk of mycotoxigenic molds on crops has increased due to changing weather conditions. In this article learn about the different ways mycotoxins are being tested for and what industries they are affecting.


<< < 1 2 3 4 5 > >>

https://www.eurofinsus.com/food-testing