Sharon Rady Rolfes is a registered dietician nutritionist and a founding member of Nutrition and Health Associates, an information resource center that maintains a research database on more than 1,000 nutrition-related topics.

She has taught at Florida State University and coauthored several other college textbooks, including Understanding Normal and Clinical Nutrition, 10e.

In addition to writing, she serves as a consultant for various educational projects and volunteers on the board of Working Well, a community initiative dedicated to creating a healthy workforce. A member of the Academy of Nutrition and Dietetics, Rolfes received her MS in nutrition and food science from Florida State University.

Associate Professor Tim Crowe is a nutrition academic at Deakin University in Melbourne and teaches across the undergraduate and postgraduate nutrition and dietetics programs. Tim teaches in the areas of nutritional physiology and biochemistry as well as the applied role of nutrition in disease prevention and management, particularly obesity, diabetes and cancer.

He is actively involved in several areas of nutrition research including specialised nutrition in the prevention of surgical complications; nutrition support in wound healing; and at a public health lever. Tim is also an Accredited Practising Dietician and speaks on many health topics to the public through both the media and writing for consumer publications.