Robert S. Paul, co-president of the National Institute of Marriage (formerly Smalley Marriage Institute), is a seasoned therapist, author, and co-author of the bestselling The DNA of Relationships with Gary and Grey Smalley as well as The DNA of Relationships for Couples with Greg Smalley. Bob speaks at marriage and professional conferences nationwide and is a frequent guest on syndicated rado and television broadcasts including Moody Midday Connection, Aspiring Women, and At Home Live. He has a master's degree from Georgia State, a diploma in Christian counseling, and an honorary doctorate from Psychological Studies Institute. He and his wife, Jenni, have four children, a son-in-law, a daughter-in-law, and a grandbaby. They live in Branson, Missouri.

Donna K. Wallace has collaborated with numerous authors on fifteen books. Most recently she worked with Greg Smalley and Robert Paul on The DNA of Relationships for Couples. She and her family live in Bozeman, Montana.
Robert S. Paul, co-president and CEO of the National Institute of Marriage (formerly Smalley Marriage Institute) is a seasoned therapist, author, and collaborative author of the bestselling The DNA of Relationships with Gary and Greg Smalley as well as The DNA of Relationships for Couples with Greg Smalley. Bob speaks at marriage and professional conferences nationwide and is a frequent guest on syndicated radio and television broadcasts including Moody Midday Connection, Aspiring Women, and At Home Live. He has a master's degree from Georgia State, a diploma in Christian counseling, and an honorary doctorate from Psychological Studies Institute. Bob formerly taught at Evangel University. He and his wife, Jenni, have four children and live in Branson, Missouri. For more information, visit the National Institute of Marriage's christian marriage counseling website
Donna K. Wallace has collaborated with numerous authors on fifteen books. Most recently she worked with Greg Smalley and Robert Paul on The DNA of Relationships for Couples. She and her family live in Bozeman, Montana.