Gregory K. Popcak is a pastoral counselor and the executive director of the Pastoral Solutions Institute, CatholicHOM.com, and the Peyton Institute for Domestic Church Life. He is the author or coauthor of more than thirty popular books and programs integrating Catholic theology and counseling psychology, including BeDADitudes, Just Married, Then Comes Baby, and Parenting with Grace. He hosts the EWTN-syndicated radio show More2Life with his wife, Lisa, which also airs on SiriusXM's The Catholic Channel. The couple also hosts a regular segment called Family Time on EWTN-TV's At Home with Jim and Joy.

The Popcaks have three children and live in Ohio.