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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:



In this article, we will make the case for a testing program for your hemp business that you can implement today that will help prepare you for the regulations to come.


Choosing a reputable hemp testing lab can be difficult and time-consuming. We have put together a checklist of information your hemp company should consider when vetting and selecting a hemp testing partner.


One of the oldest and richest sources of nutrition, fish and seafood are today a critical topic in food integrity and safety. Whether shipped fresh, frozen, canned or as a key ingredient in prepared food, these products are particularly and uniquely sensitive to foodborne illnesses. Caught wild or raised in aquaculture farms, fishery products are high moisture, making these particular susceptible to pathogens.


In response to the rapidly developing, low-calorie sweetener market, Eurofins developed and validated a new HPLC analytical method for allulose determination. Learn more from Eurofins Botanicals, Director of R&D, Dr. Hong You.


Eurofins participated in this year's annual member meeting of the AOOPA, jointly hosted by the Olive Oil Council of California (OOCC). This was the first meeting with the California group. And they are taking the lead in grading and labeling certification standards for olive oils.


Fatty acids are carboxylic acids which are typically found in lipids (fats and oils) in plant and animal tissue. These acids are generally named according to the number of carbon atoms in the chain, and the number of double bonds in the chain, for example,C18:1, octadecaenoic acid contains 18 carbon atoms with a single double bond in the chain.


With so many food pathogen detection methods available deciding which is most suitable to your process, product and facility can be difficult. Read more as Eurofins dissects the pros and cons of immunoassay and molecular methodology.


This blog discusses the importance of testing aspergillus in hemp and cbd products.


Third-party food safety testing is a surefire strategy to save money, boost quality, and increase profit margins. Find out how Eurofins can partner with your company.


For microbiology both quantity and quality matter, and microbiological testing methods are classified as being either quantitative or qualitative. Which category they fall into is based on what type of data is actually collected and reported.
Keywords: Blog Microbiology


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