Alan D. Wolfelt, PhD, is a speaker, a grief counselor, and the director of the Center for Loss and Life Transition. He is the author of Healing a Parent's Grieving Heart, Understanding Your Grief, and many other bestselling books on healing in grief. Kirby J. Duvall, MD, is a physician board-certified in family practice and occupational medicine. Together with Dr. Wolfelt, he is coauthor of Healing After Job Loss, Healing Your Grieving Body, and Healing Your Grieving Heart When Someone You Care About Has Alzheimer's. They both live in Fort Collins, Colorado.