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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:



Food and supplement industry trends show consumers’ want more transparency. Learn more about what consumers are interested in and how working with a transparent third party lab can help you build a more trustworthy brand.


This webinar focuses on best practices for testing dietary supplements with a focus on using scientifically valid test methods. Original air date: April 25, 2022


The multidisciplinary field of food science allows us to have safer, more storage-resistant, nutritious, and better-tasting food products. Gain insights into the different science disciplines that propel the field of Food Science including food chemistry, microbiology, processing, engineering, genomics, and sensory science.


Eurofins SFA is excited to now offer a new FD&C Dye Screen. The FDA approved nine artificial dye molecules for use in foods, drugs, and cosmetics (with some limitations), in addition to a variety of naturally sourced colorants.


Opportunity is rapidly growing for new feed ingredients intended to improve the well-being of both companion animals and livestock. Our webinar aims to address the unique analytical, nutritional, and regulatory challenges that accompany novel animal food ingredients.


This poster discusses the method development of Menadione analysis by Supercritical Fluid Chromatography.


What really is dietary fiber according to the most recent FDA regulations? This blog will help break down the FDA’s most recent definition of fiber as well as provide examples of ingredients used in the industry today.


Dietary supplement using immune-based ingredients have significantly increased over the last few years. Learn more on which trendy ingredients are being used and how to comply with the FDA guidelines on dietary supplements and functional food products.


While many vitamins are traditionally sourced from animal products, plant-based vitamin sources are a growing trend. Learn more about this new trend and what this means in regard to testing your products.


Candies can now give you more than a sugar rush. Functional chocolates also have vitamins, minerals, and botanicals and with that means the need for suitable validated methods to verify claims. Eurofins is your partner is all challenging vitamin, mineral, and botanical testing in finished products and raw materials.


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