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:



Understand what an acidified food is, the regulations associated with acidified foods, and different sterilization techniques (thermal processing and cold-fill-hold) for various food products. This guide will help you to determine the classification of a food, and provide resources to aid in processing, FDA filing, and where to go to with further questions.


Is your Astaxanthin natural or synthetic? Review this infographic to learn more about astaxanthin.


Mushroom toxicity comes from many sources, including the soil, processing, and the mushrooms themselves. This infographic outlines sources of contamination, as well as steps to take to minimize the risk of toxins entering the food chain.


IR spectroscopy, including NIR and mid-IR, is a useful technology for food and beverage analysis. The experts at Eurofins QTA recently answered five common questions about IR spectroscopy to help you determine if it is right for you and your products. This infographic provides an overview of how IR spectroscopy is helpful for product analysis.


Navigating the testing options and regulatory requirements for pet foods and treats gets confusing, even for long standing companies. This infographic provides an overview of the key components of a testing plan for pet foods, including nutritional analysis, microbial testing, and product formulation.


Eurofins Central Analytical Laboratories (CAL) offers unrivaled expertise and an ISO 17025:2017 accreditation for all aspects of tea testing, including dried and fresh tea analysis, brewed service testing, and pesticide analysis. This flyer provides an overview of ECAL's tea offerings and the benefits of testing with Eurofins.


As the global leader in food testing, Eurofins has a few tips as you prepare your sample for submission to our laboratories. These tools will inform you how to expedite the testing process, ensure sample integrity and keep your samples on track. Connect with us today to get started!


After collecting your samples making sure that they arrive at the laboratory at the correct temperature is the main priority.  This guide walks through FIVE key steps for you to follow.


Botanical supplement contamination can be dangerous, and preventing contamination starts with understanding its sources. This infographic explains different sources of contamination in a botanical supplement's life cycle - from growing in the soil to packaging and storage.


Chemical and microbial exposure are the most common types of contamination during food processing. Understanding the sources of each type of contamination helps to effectively prevent problems before they arise. This infographic below explains various contamination sources in food, feed, and botanical products. These include residual solvents, storage issues, improper handling, and more.


<< < 1 2 3 4 > >>

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