Claudia S. Arp and David H. Arp-marriage educators, authors, trainers, and seminar leaders-are the cofounders and codirectors of Marriage Alive International, Inc. They are the authors of numerous books including the 1997 Gold Medallion Award winner, The Second Half of Marriage (1996).
Scott M. Stanley, Howard J. Markman and Susan L. Blumberg developed the world-famous Prevention and Relationship Enhancement Program (PREP). They are the coauthors of Fighting for Your Marriage, A Lasting Promise, Fighting for Your Jewish Marriage, and Becoming Parents.