Marc J. Ackerman, PHD, is a clinical psychologist and expert on child custody. He maintains a counseling and consulting practice in Milwaukee and is the author of several books for psychologists and lawyers on the topic of child custody, including Wiley's Clinician's Guide to Child Custody Evaluations, Third Edition and the Essentials of Forensic Psychological Assessment. He has been involved in thousands of custody evaluation cases and is the co-creator of ASPECT, a major child-custody evaluation instrument. Dr. Ackerman has worked with thousands of divorcing families and is a frequent speaker at conferences and on national television and radio talk shows.