Daniel Schaffer

Chief Executive Officer

Daniel's bio is coming soon!

Dr. Duy Nguyen, D.O.

Medical Director

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

Patrick Casey


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.

Joel Wishnia

Chief Operating Officer

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

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 with a minor in Counseling from John Jay College of Criminal Justice in New York City.

Alex Costa

Chief Marketing Officer

Alex Costa, a Massachusetts native, is a person in long-term recovery from Addiction and Alcoholism. After coming to Florida in 2012 to change his life, Alex spent the first years of his professional career in the business world, working for some of the country’s leading Software Technology companies.

Liam McElwee

Chief Revenue Officer

Liam McElwee is the Chief Revenue Officer at Allure Detox. Liam has been with Allure Detox since they have opened in December of 2016. Liam has extensive knowledge within the treatment field and in working with people.

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.

Grayson Shuster, BA

Director of Operations

Grayson’s main goal is to listen, support, and encourage clients to live prosperous, fulfilling, and sober lives. He is dedicated to providing a safe space where clients feel heard and seen, empowering them to overcome the challenges of addiction.

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.

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.

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.

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.

Brien Johnson

Business Development Representative

Brien Johnson, one 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.

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.