Expert Contributing Columnists

No one knows the dairy processing industry like those directly involved in the industry’s private enterprises, academic programs and other organizations. In Dairy Foods and we bring their knowledge to our audience of dairy professionals.

Clay Detlefsen

Clay Detlefsen

Clay Detlefsen is vice president for regulatory affairs at the International Dairy Foods Association, Washington, D.C. He writes the "Spotlight on Sustainability" column for Dairy Foods.
Sharon Gerdes

Sharon Gerdes

"Dairy Detective" is written by Sharon Gerdes, a food industry consultant who works with the U.S. Manufacturing 26 Ingredient Marketing program at the U.S. Dairy Export Council to promote the use of dairy ingredients in food and beverage formulations.

Greg Miller, National Dairy Council


Greg Miller

Gregory Miller, Ph.D., is senior vice president of Nutrition and Product Innovation for the National Dairy Council. He has previously held a nutrition-related research science position at Kraft Foods Inc. Miller and Susan Zaripheh co-author articles on nutrition for Dairy Foods.  

Henry Randolph


Henry Randolph

“Quality on the Line” by Henry Randolph, Ph.D., offers dairy processors an inside perspective on the operations and quality issues most important to their business. Throughout more than 40 years, in academic pursuit and as president of Randolph Associates, Inc., Henry Randolph has helped dairy companies find technical and quality solutions to processing concerns.  

Allen Sayler


Allen Sayler

Sayler has extensive knowledge and experience in dairy production, processing, state and federal regulations, product sampling and testing, water and wastewater treatment, and drug residue screening programs. He is a nationally recognized expert and published author on HACCP systems, frequently working with state and federal dairy regulators and the National Conference on Interstate Milk. 

Tom Suber, U.S. Dairy Export Council

Tom Suber

Tom Suber contributes the "Global Insights" column for Dairy Foods. He is the president of the U.S. Dairy Export Council, Washington, D.C.
Phillip Tong, Ph.D., Dairy Products Technology Center

Phillip Tong

“Culturally Speaking” with Phillip Tong, Ph.D., focuses on formulation, quality and production issues related to the manufacture of cultured and cheese. Tong is Director of the Dairy Products Technology Center, and Professor of Dairy Science at California Polytechnic State University, San Luis Obispo. He is the U.S. Representative on the Standing Committee on Dairy Science and Technology of the International Dairy Federation, and a member of the American Dairy Science Association, IFT, and the American Cheese Society.  

Tharp & Young

Bruce Tharp and Steve Young

“Tharp & Young On Ice Cream” is authored by two world-renowned ice cream technology experts, Bruce Tharp and Steve Young, representing over 85 years of combined industrial experience. Bruce Tharp, Ph.D., is president of Tharp’s Food Technology. Steve Young, Ph.D., is a principal of Steven Young Worldwide. 



Image Galleries

Agropur, Natrel Division USA, St. Paul, Minn.

 At its Natrel Division plant in St. Paul, Minn, Agropur makes rBST-free white and flavored milk, heavy whipping cream, half n half, buttermilk, organic milk, nutritional drinks and shakes and sport drinks. Nondairy beverages (soy, rice, coconut, and almond) coffee creamers, broth and sauces. 


This photo gallery contains additional, unpublished photos of dairy processing facilities featured in Dairy Foods magazine. To view more Behind the Scenes galleries go to our archives page!

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Dairy Foods Magazine

april 2014 dairy foods

2014 April

A look inside Agropur; Plus we profile two cultured dairy companies.

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Tharp & Young on Ice Cream: An Encyclopedic Guide to Ice Cream Science and Technology

An at once an all-inclusive guide to the meaning of hundreds of technical terms and ideas needed for ice cream manufacturing, as well as a practical introduction to the ingredients, freezing methods, flavoring, and packaging of ice cream, sherbet, sorbet, gelato, frozen yogurts, novelties and many other kinds of frozen desserts.

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Dairy Foods Buyers Guide

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