Daniel Schaffer

Chief Executive Officer

Daniel's bio is coming soon!

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Dr. Duy Nguyen, D.O.

Medical Director

Dr. Duy Nguyen, D.O. is a Board Certified Psychiatrist in General Psychiatry and Addiction Medicine.

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Joel Wishnia

Chief Operating Officer

Joel Wishnia has worked in the treatment field since 2016. He grew up in South Florida and returned after his own personal struggles with alcoholism and addiction. He is dedicated to helping others find a new way of life.

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Amanda Timonere, LMHC, NCC, CCMHC, MCAP

Chief Clinical Officer

Amanda Timonere has served in the field of Addictions and Mental Health since 2010. Originally from New Rochelle, New York, she obtained her Bachelor’s Degree of Arts in Forensic Psychology.

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Cole Timonere, JD, LMHC, NCC

Clinical Director

Cole Timonere has served people in the mental health field since 2010, where he began his career as an attorney. He shifted to counseling when he found that his passions lie in assisting folks in a different capacity.

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Melissa Manzone

Director of Operations

Having worked in behavioral health treatment since 2007, Melissa brings to the table a wealth of knowledge in treatment operations and high caliber safety standards.

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Alex Costa

Chief Marketing Officer

Alex Costa, a Massachusetts native, is a person in long-term recovery from Addiction and Alcoholism. His passion and purpose for helping others always remain at the forefront as our Chief Marketing Officer.

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Liam McElwee

Chief Revenue Officer

Liam has extensive knowledge within the treatment field and in working with people. Liam, has been in the recovery field for four years and is a great asset to our team.

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Patrick Casey, ARNP


Patrick began his medical career working as a registered nurse in emergency departments and trauma centers in 2008. After 7 years of seeing first hand the devastation of addiction (overdoses, suicide attempts, traumatic motor vehicle accidents), he transitioned to working in substance abuse.

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Jenna Schafer

Primary Therapist

Jenna earned her Master's degree in Rehabilitation Counseling and Mental Health Counseling from Lynn University in 2020. As a Primary Therapist, she is committed to creating an inclusive and safe environment for clients, where they feel heard, welcomed, and respected.

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David Goloski

National Director of Alumni & Family Services

David joined the team here at RBHN to bring aboard his expertise of engagement and structure within alumni programming. RBHN is passionate about the alumni services they provide to their clients and share many of the same visions and goals that David does.

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Sean Tarzell

Continuity of Care Coordinator

Sean is a proud alumnus of Loyola Marymount University, where he cultivated a foundation for his commitment to the well-being of individuals. Having worked in the Mental Health and Substance Abuse field since 2017, he is dedicated to advocating for the clients in his caseload and ensuring precise and practical aftercare coordination.

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Jackie Lewin

Director of Business Development

Jaclyn “Jackie” Lewin was born and raised in Lawrenceville, New Jersey. Jackie got her start in the treatment industry in 2010 working at detox facility in Belle Mead, New Jersey as behavioral health technician. She continued with that position for 4 years. Later, Jackie assisted in opening a treatment facility in Yardley, Pennsylvania and became a counselor at that facility. Jackie began her career with RBHN, at Garden State Treatment Center in Sparta New Jersey. Shortly after, she relocated to South Florida to begin her role as community outreach for RBHN.

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Brien Johnson

Business Development Representative

Brien Johnson, on of our Business Development Representatives, has always been passionate about helping others. Originally from just outside Philadelphia, Brien attended The Art Institute of Philadelphia where he studied Graphic Design before realizing that he wanted to make a more meaningful impact on people's lives.

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Brooke Bosler

Business Development Representative

Brooke joined our team in February 2021 and quickly established herself as an invaluable member of our community. Starting her career in the industry as a Behavioral Health Technician at Recreate Life Counseling, Brooke worked her way up to becoming a Case Manager before moving into her current role.

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Chelsea Koziar

Director of Admissions

Chelsea has worked in the recovery field since 2014 and she aspires to help people find the same quality of care that she received when she first sought help. Her passion is to create an admissions process for the individual and their loved ones that is seamless and as efficient as possible.

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Christina Scherer

Family Services Advocate

Christina began her professional career in behavioral health in 2019, dedicating herself to working directly with individuals struggling with substance use disorders. She now uses her personal and professional experiences to guide families through their loved one’s recovery process.

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