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Our Staff

Our Instructors

Nina Jackson MA, LPC, SCL

Professional and School Counselor with a background in the education and business fields.

Nina Jackson is a Licensed Professional Counselor & Licensed School Counselor.  Holding a Masters Degree in Counseling Education, and a Bachelor’s Degree in Business Administration. She has over 20 years of experience in the education and counseling fields. Having worked in higher education as an Academic Advisor and Learning Specialist and as a K-12 Program Developer,  School Counselor, and  Mental Health Therapist. Nina owns a counseling consultant business and operates as the Executive Director of her nonprofit mentoring organization.

Ann L. Webster

Expert substance abuse counselor with a background in criminal justice, detox and outpatient programs.

Ann is a Licensed Professional Counselor, a Certified Advanced Alcohol and Drug Counselor and a Certified Clinical Supervisor. She holds a Master’s in Professional Counselling from Central Michigan University. Ann also has a Masters in Administrative Science from Saginaw Valley State University, a graduate certificate from Western Michigan University’s Special Program in Alcohol and Drug Abuse and a Bachelor’s degree in Criminal Justice from Ferris State University.  Additionally, she has 8 years of experience working as a substance abuse counselor in various settings including the Michigan Prison system, detox, short term and long term residential and outpatient with adolescent, families and adult clients.  Ann also has 4 years of experience working as a Clinical Supervisor with experience overseeing a program in the Michigan Prison system and currently as Program Supervisor of an Adolescent Outpatient program.

Sarah Claxton, MSW

Over a decade of experience in social work and counseling with a background in sociology.

Sarah is a graduate of Wayne State University and received her Master’s in Social Work. She also holds a Bachelor’s degree in Sociology from Grand Valley State University.

Sarah has over 10 years of experience in serving various populations, resolving conflict and providing guidance for those in need. She has worked in clinical, hospital, non-profit and rehabilitation settings, working within the health and human services sector.

Sarah is a certified facilitator in the Duluth Model for Batterer’s Intervention since 2021. She is also ASIST (Applied Suicide Intervention Skills) certified and trained with the Suicide 2 Hope; Zero Suicide Initiative.

Margaret A. Costello, LLP

Behavioral and cognitive psychology expert with a formal background in rehabilitation and clinical psychology.

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.

Catherine A. Zoss, M.A., LPC

An expert in substance abuse counseling with over 25 years experience working in the criminal justice system.
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.
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Christina Diederichs

 An expert in substance abuse counseling with a background in sleep and pain research.

Christina has a decade of experience providing clients with resources to make informed choices and improve their lives. She is passionate about research, didactic group development and teaching. Christina studied Science, Psychology and Family Systems earning her Master’s in Social Work from Wayne State University. She became a Certified Advanced Alcohol and Drug Counselor to better help individuals coping with substance abuse. Christina is also working towards a certification in Complex Trauma, continuing her education and providing support to clients via Zoom.

Executive Officers

Bryan Weinstein, D.O.
Medical Director / CEO

Founder and CEO of ABR, with over two decades of experience in psychiatry and neurology, both in practice and lecturing.

Sarah is a graduate of Wayne State University and received her Master’s in Social Work. She also holds a Bachelor’s degree in Sociology from Grand Valley State University.

Sarah has over 10 years of experience in serving various populations, resolving conflict and providing guidance for those in need. She has worked in clinical, hospital, non-profit and rehabilitation settings, working within the health and human services sector.

Sarah is a certified facilitator in the Duluth Model for Batterer’s Intervention since 2021. She is also ASIST (Applied Suicide Intervention Skills) certified and trained with the Suicide 2 Hope; Zero Suicide Initiative.

Michelle Cantea
President

Over a decade of experience with a background in psychology and criminal justice, overseeing the administration and daily operations of ABR.

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.