Dr. Geoffrey L Greif
Dr. Geoffrey Greif is a Professor at the University of Maryland School of Social Work where he has worked since 1984. He was Associate Dean from 1996 to 2007. He is the author of more than 125 journal articles and book chapters and twelve books. Most recently he has co-authored Adult Sibling Relationships with Michael E. Woolley as well as Buddy System: Understanding Male Friendships and Two Plus Two: Couples and their Couple Friendships (with Dr. Katherine Holtz Deal). Dr. Greif has appeared on numerous television and radio programs and his research has been cited in major news outlets throughout the world.