Our Team

Our team of professionals is dedicated to our mission of fostering long-term, healthy changes in the lives of our clients. We draw on diverse backgrounds and experiences to help our clients achieve recovery.



Arden O’Connor founded the O’Connor Professional Group to address the needs of families and individuals struggling with an array of behavioral health issues, including addiction, mental health disorders, eating disorders, learning, and other developmental challenges. With several relatives in recovery, Arden is passionate about helping families and individuals navigate the highly fragmented treatment system in a way that creates positive outcomes and allows families to heal. Arden is a graduate of Harvard College and Harvard Business School. She remains heavily involved in community activities, as a board member of Winsor School Corporation, Collaboration for Family Flourishing, Massachusetts Association of Mental Health, and C4 Recovery Solutions. Previously, she served as a board member for the Justice Resource Institute (former chair), Harvard Club of Boston, Victory Programs, and Harvard Business School Alumni Association of Boston. She maintains professional affiliations with the following organizations: Attorneys for Family Held Enterprises, Boston Estate Planning Council, Worthy Circles and Family Firm Institute.




Dr. Jonathan Green, PhD, is OPG’s Chief of Clinical Operations. A native of Massachusetts, he received his doctorate in clinical psychology from Clark University in Worcester, MA. Jon completed his clinical internship and postdoctoral fellowship at the VA Boston Healthcare System with appointments at Boston University School of Medicine and Harvard Medical School. Here he completed rotations in dual diagnosis (PTSD/substance use disorders) and behavioral medicine while also conducting research in the National Center for PTSD. Jon has published over 20 peer-reviewed articles and book chapters and has received awards from the American Psychological Association, the Association for Behavioral and Cognitive Therapies, the Anxiety and Depression Association of America, and the Military Suicide Research Consortium. Jon is a founding member of the Suicide and Self-Injury Special Interest Group of the Association for Behavioral and Cognitive Therapies and is current president of the Men’s Mental and Physical Health Special Interest Group. Jon enjoys finding compassionate and creative ways to apply gold-standard, empirically supported treatments for clients with unique needs, valuing the relationship between the client and provider as much as the quality of the intervention.



Mark S. Kinchla, Psy.D., is OPG’s Senior Advisor of Clinical Services. A native of Massachusetts, he received his Clinical Psychology degree, specializing in Behavioral Medicine and Health Psychology, from William James College. He completed his post-doctoral training at Harvard Vanguard Medical Associates. His cumulative training and experience has encompassed over 20 years of personal and professional development using mind, body and spirit-based approaches. His integrated and holistic perspective toward personal and familial wellness has led to an eclectic theoretical foundation. His outlook has combined Cognitive Behavioral, Humanistic, Existential, Group Dynamics and Constructivist ideologies using an “Art and Science” style of study and practice. His authentic approach to care is oriented best by use of present moment awareness, pragmatic interpretation and acceptance via Mindfulness Informed therapies and Mindfulness-Based practices. Mark has amassed a clinical scope of care including but not limited to disorders of: Substance Use, Dual-Diagnosis, Co-Occurring (Mental Health and Medical), Psychiatric, Depression, Anxiety and Adult Autism Spectrum. Additional competencies with Community-Based Psychosocial Rehabilitation, Psychosocial-Oncology, Complex Systems (family, social, internal…), Men’s support, Sports Psychology, Geropsychology and Group Therapy are included in his work experience. Mark enjoys exploring current trends in Neuropsychology, Mentalization and Spiritual Emergence. He is a creative thinker and an avid hockey enthusiast who prefers to be at home with his family or exploring nature.


Andy KangAndy Kang, J.D, LICSW is the Director of Clinical Services at OPG. He is responsible for the supervision, training and management of case managers and sober companions, overseeing the clinical direction of client work. As a member of the leadership team, Andy participates in strategic planning, as well as the gathering and analysis of outcomes measures relating to OPG clients.  Andy is a licensed independent therapist. He completed his clinical training at the Boston College Graduate School of Social Work. Prior to becoming a therapist, Andy was a counselor of a different kind, practicing law for ten years in the areas of complex commercial litigation and employment law in Boston. Andy now treats professionals, addressing the barriers to wellbeing with an aim of de-stigmatizing mental health care and helping individuals, couples and families in need. Andy is also an Adjunct Professor at the Boston College Graduate School of Social Work, teaching courses in Substance Abuse and Diversity.


Jeremy VarnumJeremy Varnum is the Director of Operations at OPG. In this capacity, he helps coordinate the logistics around engagements with families, and designs appropriate service recommendation packages for clients. Additionally, he supervises case managers who are responsible for delivering these services to our clients. With over 5 years of personal experience in recovery, Jeremy’s approach incorporates motivational interviewing, combined with outdoor education, adventure therapy, and mindfulness based stress reduction. Jeremy has a BS in Kinesiology (Outdoor Education) from the University of New Hampshire and is currently pursuing his Master’s in Social Work. When he has free time, Jeremy can be found outdoors rock climbing, snowboarding, and hiking.


Jonathan Paul, OPG’s New York Regional Director, is a licensed social worker in the state of New York. Jonathan graduated Yeshiva University with a Masters in Social Work in 2010. He has since practiced addiction counseling, psychotherapy, and case management in a variety of outpatient chemical dependency programs, mental health centers, and private practice. Jonathan helps individuals, couples and families afflicted with mental health and addictive disorders find solutions to their problems. As a native New Yorker, born and raised in Manhattan, he enjoys taking walks in the city with his golden retriever, running in Central Park and weekend adventures to the country-especially during fall, his favorite season.



Paul Sawyer, LCSW, MSW is OPG’s Director of Case Managment and is a Licensed Certified Social Worker with a broad range of experience in the behavioral health field. He has worked in inpatient, residential, and outpatient settings with individuals who are experiencing substance abuse and mental health challenges. He completed his Masters in Clinical Social Work at the Boston College School of Social Work.

Paul incorporates motivational interviewing and mindfulness with a strength-based, person-centered approach to help his client’s reach their personal goals. Paul has a talent for developing a strong therapeutic relationship with the individuals he works with by providing a genuine, compassionate, and non-judgmental environment. He believes that people can make lasting-changes to their lives given the proper conditions and support. He is open to, and driven by, each client’s stated goals, understanding that every journey to recovery is unique. In his free time, Paul enjoys hiking, playing soccer, racquetball, running, and just about any other sport, in addition to finding time for daily meditation.




Alexa Barach, LCSW, MSW, is a Licensed Certified Social Worker, and a case manager at O’Connor Professional Group. She received her Masters in Clinical Social Work at Boston College School of Social Work. Alexa has experience in conducting individual and family therapy sessions incorporating Motivational Interviewing, Mindfulness, Solution-Focused Therapy, and Cognitive Behavioral Therapy modalities. She completed the Neuroscience in Social Work Certificate and has informed her work with clients through a neuroscience lens. While pursuing her Masters, Alexa interned on the Boston College campus in the Alcohol and Drug Education program working with young adults struggling with substance use and abuse. She also worked on an In-Home Therapy team and at Tufts Medical Center in their Outpatient Psychiatry. Alexa brings compassion and empathy to her client-centered approach and believes that all people have the ability to achieve their goals for change given the right support. Alexa has lived in and around Boston for the majority of her life and in her free time enjoys outdoor activities, cooking, and reading.




Amy Battey is the Operations Associate at O’Connor Professional Group, helping to facilitate daily operations for the team and assisting with administrative tasks. She has a Bachelor’s degree in Psychology and an Associate’s degree in Chemical Dependency from Keene State College. After graduating in 2012, she worked as an inpatient mental health counselor, then as the shift coordinator at a social model detox. In spare time, Amy can be found reading, singing, or enjoying the outdoors.






photoTanya Beecher, MSW, LICSW is a clinical social worker with over 15 years of experience with adolescents, adults and families. She has worked in multiple settings including therapeutic boarding schools, addiction treatment centers, college counseling offices, and in private practice. Over the years, she served as the clinical director and senior clinician in adolescent and adult programs. Tanya brings clarity, compassion, and a belief that people who are suffering emotionally want a way out, they just often do not know how. She is gifted at reaching through to clients deeply stuck in self-defeating patterns. Tanya thoughtfully guides families in the process to provide on-going education and support to assist healthy family change. Tanya studied Exercise Science as an undergraduate, and holds a Masters Degree in Clinical Social Work from Smith College School for Social Work. She specializes in addictions, dual diagnosis, eating disorders and trauma. Tanya lives in Western Massachusetts where she enjoys many local outdoor pursuits from rock climbing to skiing to road biking.


Maureen Borkowski is a LCSW and Credentialed Alcoholism and Substance Abuse Counselor. She has worked with and for some of the most prestigious treatment facilities in the country. She has expertise in various capacities, including coaching, case management, and relationship dynamics. She takes a collaborative approach with both her clients and other professionals, which optimizes each patient’s treatment outcome by ensuring that all needs are being met through coordination of care and delivery of needed services. She sums up her professional life by saying, “There is no more rewarding work on this earth than watching someone get their life and their dreams back. To play even a small part in helping someone regain hope and dignity is an honor and a privilege that leaves me both humbled and elated. I actually get to witness miracles!”




David Carrigan is OPG’s Director of Digital Marketing and a Case Manager. He received a Bachelor’s degree in Psychology and Political Science from the University of New Hampshire in 2012. Since that time, David has worked in a number of capacities within the mental health field. He spent two years as a Senior Recovery Specialist at The Center for Motivation and Change: Berkshires, an inpatient substance abuse rehabilitation facility, and prior to that as a supervisor at a residential program for adolescents with behavioral issues. He specializes in working one on one with individuals to set and achieve their treatment goals and believes in a motivational client-centered approach. David is an experienced group facilitator and active in his local community. He is trained in Motivational Interviewing, Cognitive Behavioral Therapy and Dialectical Behavior Therapy. He is a trained SMART Recovery Facilitator and runs a weekly SMART Recovery group in addition to volunteering as a youth mentor. David is currently pursuing his Masters Degree in Social Work at Boston College.



Diana Clark, JD, MA is an OPG consultant. She is the author and facilitator of several workshops specifically designed for family members and the recently released book Addiction Recovery: A Family’s Journey’. Diana offers a calm, compassionate and logical voice during a time of family turmoil. She also works in a supervisory role with OPG’s family coaches, and collaborates extensively with case managers on cases where she provides coaching services to families.  Diana holds a Masters Degree in Counseling Psychology from Antioch University and prior to working in the addiction field, Diana was a practicing labor and employment attorney advising employers about the need for clear, compassionate and enforceable policies.




screen-shot-2017-08-02-at-6-57-59-pmHallie DeLory is a Certified Drug and Alcohol Counselor, Interventionist, and Clinical Case Manager for OPG.  She has been a drug and alcohol counselor, case manager, interventionist, and sober companion for 28 years. She discovered personal recovery in her early twenties. Hallie works with a diverse set of clients and is passionate about helping others find their path in sobriety. She takes a client-centered approach to every case, fostering deep connections with her clients and their families, and investing herself fully in their success. As part of this approach, she meets clients at their current level of functioning and helps them to rediscover the joy of living a healthy and happy life. Through her many years of experience in recovery, Hallie models appropriate sober behavior and is a great power of example.



Kady Ethier is OPG’s Companion Coordinator and Autism Specialist. She has extensive experience working with individuals with Autism Spectrum Disorder, complex mental health issues, and behavioral and emotional challenges in the home, school, and community settings. Kady has worked in a variety of different environments implementing techniques and strategies of Applied Behavioral Analysis. Before joining OPG, she worked at the New England Center for Children and Boston Behavioral Learning Center, working as a case manager and residential clinician for individuals with severe behavioral challenges. Kady thoroughly enjoys working with individuals and families to develop strategies to increase and maintain their independence, daily living skills, and achieve their long-term goals. Her patient and compassionate approach has made her successful in building and sustaining healthy relationships with clients. In her free time, Kady enjoys traveling, music, and is an avid sports fan.




Kaitlin Gatti serves as the Office Manager at O’Connor Professional Group. She provides administrative support to the team and helps with day-to-day operations in the office. Kaitlin holds a Bachelor’s degree from Plymouth State University in Marketing and Professional Communication. Her personal experience with family and friends makes her dedicated and passionate about working in the behavioral health field. In Kaitlin’s free time, she enjoys snowboarding, hiking and spending time with her family.






“GlenGlen Harnish is a Case Manager at O’Connor Professional Group. He holds a Bachelor of Arts in sociology from Connecticut College and is pursuing education in both coaching and clinical social work. Glen takes a compassionate, client centered approach in his work. He focuses on clients’ adaptive strengths, and believes that “the best way to get rid of weeds is to have a strong garden.” Glen has worked extensively with dual diagnosis individuals struggling with addictions, problems with time management, motivation, procrastination, anger and avoidance issues. He helps clients develop systems, strategies, and tools in order to manage their lives more effectively. Also, models positive interactions and behaviors. His interests include rock climbing, Brazilian Jiu Jitsu, hiking in the white mountains, stacking rocks on the beach, and mountain biking in the woods of the greater Boston area. He leads meditation centered recovery groups in Cambridge, MA. Glen also serves as a volunteer member of the Massachusetts Department of Mental Health Internal Research Board (IRB) which reviews protocols of researchers seeking approval to enroll patients in research projects.


Maegan Kenney is a 2nd year student in the Clinical Psychology PsyD program at William James College in Newton, MA. She is a psychology practicum student at OPG. She has lifelong experience with opioid addiction and is also a person in long-term recovery. As the Founder and Chair of the school’s Opioid Crisis and Advocacy student group, she has organized educational opportunities for students including a naloxone training and panel discussion about opioid use and misuse with the Mark Wahlberg Youth Foundation. Maegan completed her Master’s level training at Monte Nido at Laurel Hill in Medford, MA and Adolescent Consultation Services in Cambridge, MA. She has experience facilitating group therapy and providing meal support for women with eating disorders as well as writing comprehensive psychosocial evaluations for court-involved youth and their families, respectively. Since 2014, Maegan has worked in the Behavioral Health Communications Center at Cambridge Health Alliance and has a master’s degree in Clinical Mental Health Counseling from William James College.


Alex Kurjiaka
is a Case Manager for OPG. She is working towards a Masters degree in Clinical Mental health Counseling (to be completed 2019) and has a Bachelor of Arts in Behavioral Science. Alex has a diverse background in crisis intervention and treatment, working in multiple capacities including recovery group leadership and smoking cessation. She has working knowledge of substance abuse, co-occurring disorders, mental health eating disorders and addiction medications. She is well versed in both abstinence-based and harm reduction schools of thought. With a background in child care, Alex has worked with individuals at all stages of development, including children and adolescents. She has familiarity with cognitive and emotional developmental norms for adolescents and adults. Alex believes our journeys are unique and each client must be directed to the best fit for their personal recovery.





William Messinger, JD, LADC, is a Senior Advisor at OPG. Bill’s mission is to improve recovery rates for functional alcoholics and addicts, with an emphasis on beneficiaries and family business members. Shortly after completing treatment in 1995, he learned that doctors and pilots had very successful outcomes in comparison to other groups due to their unique treatment regimes. Bill then initiated the concept of applying their recovery protocols to other groups. He combines legal and addiction expertise to help families, trustees, and professionals address addiction in family members and beneficiaries.

Bill has written extensively on the topic of applying the pilot/physician model to the affluent, including an article on suggested model language to use in trusts to replicate the pilot/physician model. His articles also address the impact of SUDs on family offices and professionals, recovery management, and the treatment needs of the affluent. He is a graduate of Yale College, University of Minnesota Law School, and the Hazelden School of Addiction Studies. His website is www.BillMessinger.com


Justine Padula, M. Ed. is an OPG Clinical Case Manager.  Justine completed her Masters at Simmons College and has accrued over nine years of experience working with individuals with behavioral and emotional challenges.  She has expertise in providing care in families’ homes, at schools, and in the community as a client transitions back from treatment.  Justine has experience conducting and implementing Applied Behavior Analysis, Functional Behavioral Assessments, Cognitive Behavioral Therapy, and Dialectical Behavior Therapy modalities.  She is passionate about supporting individuals in developing strategies and tools to manage daily living tasks, achieve their goals, and maintain healthy behavioral changes.  In her personal time, Justine enjoys spending time with her family, playing sports, going to the beach, and traveling.





Max Roberts is a Case Manager at OPG. Max received his bachelor’s degree in Philosophy from Colgate University and is currently pursuing a Masters in Social Work from Simmons College. Over the last 3 years he has worked with individuals with substance use disorders, mental health issues, and developmental disabilities. Max has worked in a variety of behavioral health settings and has a friendly, easy-going approach, while remaining firm on expectations. Due to his experience with medically and clinically high-risk individuals, he is skilled at remaining calm, collected, and rational during a crisis. Max loves helping people achieve their goals and gain a sense of pride or accomplishment when overcoming obstacles. His focus with clients is personal growth and healthy behaviors, complemented by an emphasis on learning and mastering life skills. Max enjoys playing video games, watching the Patriots, and reading anything he can get his hands on.