Our Staff


Catherine A. Zoss, M.A., LPC

Katie Zoss is a graduate of Oakland University and received her Masters of Arts degree in 1994 and is a Licensed Professional Counselor (M.A., LPC.). She is also a Certified Advanced Alcohol and Drug Counselor (CAADC). She has over 25 years of experience in the criminal justice system working as a classification agent, a deputy in the jail, a probation officer and as a group facilitator for court ordered programs.

Margaret A. Costello, LLP

Margaret (“Peggy”) Costello is a psychologist (LLP) with more than 30 years of experience in the field of behavioral and cognitive psychology. An honors graduate of Penn State University, Ms. Costello holds master’s degrees in Rehabilitation from Southern Illinois University and in Clinical Psychology from the University of Michigan. She has worked in various settings, including rehabilitation facilities, private clinics and the Michigan prison system. In addition to her training and experience in psychology, Ms. Costello is an attorney, and has practiced law for 25 years. She currently is a law professor at the University of Detroit Mercy School of Law, where she was instrumental in establishing the nationally recognized Veterans Law Clinic.

Robert Warmack III, MA, LPC, CRC, SCL

Robert Warmack III is a graduate of Wayne State University earning a Masters of Arts Degree with a Major in Rehabilitation Counseling.  He is currently a Licensed Professional Counselor (LPC) and Nationally Certified Rehabilitation Counselor (CRC). He’s an Adjunct Professor at Spring Arbor University in the Masters of Counseling Program since 2008. He has experience in substance abuse counseling, family therapy, individual therapy, group counseling and school counseling. He is a retired Navy Veteran serving in the Persian Gulf War. While serving in the Navy his roles included Indoctrination Coordinator, Communications Supervisor and Regional Leadership Trainer.


Bryan Weinstein, D.O.

Medical Director / CEO

Dr Bryan Weinstein is a practicing psychiatrist with board certification from the American Board of Psychiatry and Neurology. He has been board certified since 1999 and has been practicing psychiatric pharmacology as well as psychotherapy since 1997.

Dr Weinstein has extensive knowledge in the fields of chronic pain, traumatic brain injury, psychopharmacology and general psychiatry. Dr Weinstein received both his undergraduate, and Osteopathic Medical Degree at Michigan State University. He attended the residency programs of Detroit Psychiatric Institute and Wayne State University and received a mini fellowship in electroconvulsive therapy at Duke University.

Dr Weinstein is a successful lecturer for a number of pharmaceutical companies including Forest, Wyeth-Ayerst, GlaxoSmithKline, Cephalon, and Takeda pharmaceuticals. He is a member of the Osteopathic Medical Society, the Psychoanalytic Society and the Brain Injury Association of Michigan.

Dr Weinstein currently owns and practices in two private psychiatric clinics. Additionally, he has founded and operates Advanced Behavioral Rehabilitation LLC, which provides behavioral treatment for people involved in the judicial system, as well as Peak Pharmacy. He is an avid sportsman and musician as well as a loving husband and father of 3 children.

Michelle Cantea


Michelle Cantea has worked for ABR for 12 years. She started with ABR as a full-time Intern while attending Wayne State University as a full-time student; where she received her Bachelor of Arts degree in Psychology and her minor in Criminal Justice. Michelle’s passion and zeal for helping probationers transform their lives aided in her quick rise to a managerial position with ABR. Michelle is an integral part of the ABR team. She is currently the Director of Operations where she oversees the financials, administration and daily operations of the company. She also serves as a Court Liaison.

Building Insight. Improving Lives.

One step at a time