Greg Higby earned a B. S. in Pharmacy degree from the University of Michigan in 1977. After 9 months in practice as a pharmacist, he returned to graduate school at the University of Wisconsin-Madison, receiving an M. S. in Pharmacy (1980) and a Ph.D. in Pharmacy (1984). He did his graduate work in the history of pharmacy under Glenn Sonnedecker. From 1984 to 1986, he served as a research associate at the UW, teaching the then required history of pharmacy course (Pharmacy 401) and serving as the Assistant Director of the American Institute of the History of Pharmacy. In 1986, he became the Associate Director of the Institute, which is American pharmacy's historical society, founded at Wisconsin in 1941. In 1987 he became Acting Director of the Institute, and full-time Director in 1988. In this capacity, he serves as Editor of Pharmacy in History, the quarterly journal of the Institute. He also holds the position of Adjunct Professor at Wisconsin.
Higby's honors include election to the International Academy of the History of Pharmacy (1991) and the Edward Kremers Award for pharmaco-historical writing (1995) for In-Service to American Pharmacy: The Professional Life of William Procter, Jr. His latest publication is American Pharmacy: A Collection of Historical Essays (2005), which he co-edited with Elaine C. Stroud.