Greg Ziegler is professor of food science at Penn State University where for 29 years he has taught and conducted research on food process engineering. He earned his Ph.D. from Cornell University, a Master’s of Science degree from Clemson University and his Bachelor’s degree from Penn State. He was formerly employed by H.J. Heinz as a food technologist responsible for product and process development, and has consulted for the food and pharmaceutical industries. He is co-founder of Persea Naturals LLC and Fellow of IFT.