Gregory A. Prince was born and raised in Los Angeles. He attended Dixie College (now Dixie State University) from 1965-67, served a mission to Brazil from 1967-69, and then attended UCLA for six years, earning doctorate degrees in dentistry and pathology. He moved to Maryland in 1975 to work at the National Institutes of Health, and over a four-decade career in biomedical research pioneered the prevention of RSV pneumonia in high-risk infants. He has published over 150 scientific papers, three prior books on Mormon history—Power From on High: The Development of Mormon Priesthood (1995), David O. McKay and the Rise of Modern Mormonism (2005), and Leonard Arrington and the Writing of Mormon History (2016)—and over two-dozen articles, chapters and book reviews in the field of Mormon Studies. His current book is Gay Rights and the Mormon Church: Intended Actions, Unintended Consequences.
He serves as Interfaith Liaison in the Washington, DC Stake, and as a member of the Board of Governors of Wesley Theological Seminary (Washington, DC), the largest Methodist seminary in the country. He and his wife, JaLynn Rasmussen Prince, are the parents of three children, the youngest of whom (Madison) is autistic. JaLynn and Greg now spend their time heading the Madison House Autism Foundation (madisonhouseautism.org), through which they hope to address the national issues facing autistic adults and their families.