Drug and Alcohol
Detox Center
113 E. 60 St.
New York NY 10022
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Main Line 24/7 (917)262-0003
Admissions (917)779-8448

Our Team

Our promise for those seeking a life free from substance abuse is to deliver a treatment experience beyond your expectations. We pride ourselves on being highly-skilled professionals, dedicated to providing personal and exceptional care.

Ascendant Leadership

Tzvi Heber CEO Ascendant NY detox center NY city


Tzvi Heber

Tzvi Heber has always had a passion for business and helping others. Through his own recovery, he was able to find the perfect balance of both of these passions, helping people in recovery. Tzvi has been working in the recovery field for numerous years. He began his journey hands-on as the director of counseling at Chabad Treatment Center. Tzvi then joined Serenity Recovery Center as the Director of Client Services. During his time there, Tzvi was able to help over 4,500 clients and their families, helping guide them through the most difficult of times. During his professional career in recovery, Tzvi also began a non-profit, The YY House. Its mission was to create a dynamic recovery community for those in sobriety. The YY House brought over 500 people together to join in different events that united the community. Outside of his dedication to the community and his service to God, Tzvi spends time with his beautiful wife and three amazing children at his home in Teaneck NJ.


Josh Canova

Josh received his B.A. in Economics with a Minor in Political Science from the University of California at San Diego (UCSD). He has worked for fortune 500 companies like Nordstrom, at&t, Pfizer and Medtronic. Working with these industry leaders he learned how to merge customer service and healthcare to create a client focused healthcare model. Most recently he was the Director of Operation for a hospital based acute detoxification unit with over 4,500 admissions during his tenure. He brings a wealth of knowledge that includes over 14 years in healthcare. He believes that if you treat every client with empathy and respect in a comfortable and compassionate setting they will have the opportunity to thrive.

Clinical Director

Charisse Ebreo, LCSW

Charisse obtained her B.A. in Sociology with a Minor in Political Science from the University of California Los Angeles (UCLA), and received her Master in Social Work from New York University (NYU). She then obtained her Post Master’s Certificate in Clinical Approaches to Addiction from NYU, and her Seminar in Field Instruction (SIFI) Certificate from Fordham University. She believes everyone has an opportunity to make changes in their life regardless of the situation and that Ascendant New York can be that beacon of hope to help those struggling to find recovery.

Ascendant NYC Harold Greenberg Director of Admissions

Director of Admissions

Harold Greenberg

Harold’s passion for the treatment industry is firmly rooted in his capability to help individuals in crisis. His main objective has been to cultivate an atmosphere of support for individuals throughout the admissions process. He believes that by removing barriers we can guide people to choose recovery and, ultimately, help save their life.

Ascendant New York Gabriel Grimalt Director of Outreach

Director of Outreach

Gabriel Grimalt

Prior to joining the Ascendant team, Gabriel Grimalt worked as a senior treatment placement specialist with Acadia Healthcare, tasked with helping individuals find treatment solutions that met their therapeutic and financial needs. In this role he was able to help countless individuals with treatment placement as well as being a valued resource to the clinical community at large in NYC. He resides in upstate NY with his wife and bulldog, Bevers. Gabriel's passion for helping others is fueled by his own personal experiences with drug and alcohol, aside from his current role as director of outreach Gabriel's also a board member of BIGVISION. BIGVISION is a non-profit located in NYC that provides sober “fun” events for young adults in sobriety.

Chief Compliance and Program Officer

Shari Noonan, ESQ

Shari brings an extensive track record of success to Ascendant managing health and human services agencies and initiatives within the New York State government. She was Assistant Counsel to Governor George E. Pataki, and under his direction, led the re-engineering of the New York State Office of Alcoholism and Substance Abuse Services (NYS OASAS). Ms. Noonan holds a B.A, cum laude, from Cornell University, and a J.D. from Albany Law School at Union University.

The Ascendant Team

David Seitz, MD

Acting Medical Director

Alete McFarlane, RN

Director of Nursing

Arianna Mann, MPH

Administrative Receptionist

Anne Mongiello, RN

Registered Nurse

Lori Cevallos, RN

Registered Nurse

Brett Magit, MSW

Lead Clinician

Carina Gomez, ATR-BC, LCAT, CASAC-T

Substance Abuse Counselor

Charlotte Bareiss, P-LMSW

Substance Abuse Counselor

Stephen Hirsch, LMSW, CASAC-T

Substance Abuse Counselor

Holly McLoughlin

Lead Behavioral Health Technician

Laura Bogdanski

Behavioral Health Technician

Alex Contino

Behavioral Health Technician

Davion Wynter

Behavioral Health Technician

Jennifer McCall

Behavioral Health Technician

Michael Popowitz

Behavioral Health Technician

Rahson Mack

Behavioral Health Technician

Joseph Nevenansky

Behavioral Health Technician

Darrilyn Hogan

Behavioral Health Technician

Jessica D'Oliveira, LMT

Licensed Massage Therapist

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