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Meet the Treatment Team at Hazelden Tribeca Twelve

Ramsen Kasha

Ramsen Kasha, MBA, MS, CADC, LCPC

Regional Executive Director for East Coast Operations and Manager of Hazelden in Chicago


Ramsen Kasha, MBA, MS, CADC, LCPC, has worked in the field of addiction treatment and mental health services for more than 15 years, including his role with the Hazelden Betty Ford Foundation since 2005. During his tenure, he has worked as a counselor in the structured recovery housing program, supervised the intake department, and served as the clinical director. In 2013, he became the executive director. In 2017 he was promoted to the regional executive director of the east coast operations and manager of the Chicago facility. In this role he provides strategic direction for Hazelden’s sites in Illinois, New York and Florida. Ramsen is a licensed clinical professional counselor and a certified alcohol and drug abuse counselor in the state of Illinois. Learn more

Ramsen Kasha
Eliana Leve, LCSW, MA, CASAC Director of New York Services

Eliana Leve, LCSW, MA, CASAC

Director of New York Services


Eliana Leve, LCSW, MA, CASAC, has over 25 years of work experience in substance use disorder treatment and recovery services in private and not-for-profit settings. She has over 20 years of progressive leadership responsibilities with results that include: improving program performance; raising program utilization by increasing admission, attendance and retention; enhancing linkages with referring agencies, integration with mental health, primary care, supportive housing, and family services; and facilitating system transformation regarding medication assisted treatment. She has implemented training programs in evidence-based practices to increase employee satisfaction and patient engagement. Eliana received her undergraduate degree in Theater Studies from Hebrew University, Jerusalem; her Master's degree in Drama Therapy from New York University; her Masters in Social Work from Hunter College School of Social Work, New York; and her CASAC certification from the New York State Office of Alcohol and Substance Abuse Services. Learn more

Eliana Leve, LCSW, MA, CASAC Director of New York Services
Kathleen Sharkey

Kathleen Sharkey, LCSW

Manager of Outpatient Programs, Chelsea and Tribeca New York


Kathleen Sharkey, LMSW, is a licensed social worker and the Manager of the Outpatient Programs at Hazelden in Chelsea and Tribeca. She has over ten years of experience in the field of addiction treatment, with a focus on co-occurring disorders. Kathleen received her master's degree in Social Work at Fordham University. Previously, Kathleen held positions in the field of financial services marketing, primarily as writer, project manager and client services director. She holds a BA in Journalism from New York University. Kathleen also supervises masters-level interns from local prominent universities.

Kathleen Sharkey
Joseph Cook, LMHC, Tribeca, New York

Joseph Cook, LMHC

Addiction Counselor, Tribeca New York


Joseph Cook, LMHC, is a member of Hazelden Betty Ford’s Intensive Outpatient team in Tribeca, New York. Joseph received his master’s degree from Marist University with a focus on clinical practice in mental health and addiction. Prior to joining Hazelden Betty Ford, Joseph worked at St. Christopher’s Inn, a substance abuse treatment center. Joseph also completed an internship at Orange Regional Medical Center’s Family Program, working within an Intensive Outpatient setting. He also holds a BA in Psychology from SUNY Oswego.

Joseph Cook, LMHC, Tribeca, New York
Chloe Jensen, LMSW, Addiction Counselor, Tribeca New York

Chloe Jensen, LMSW

Addiction Counselor, Tribeca New York


Chloe Jensen, LMSW, facilitates Evening Outpatient groups for patients who have successfully completed the Intensive Outpatient Program. In her many years with Hazelden Betty Ford, she has served in many different roles, enabling her to bring a well-rounded perspective on the diverse challenges of recovery to her work with patients. Chloe received her Masters of Social Work from New York University, where she specialized in the treatment of co-occurring substance use and mental health disorders. She also holds a Bachelors of Fine Arts from The Cooper Union, and enjoys utilizing the creative arts in therapeutic interventions.

Chloe Jensen, LMSW, Addiction Counselor, Tribeca New York
Tamar Lichtman, LMSW, Chelsea and Tribeca, New York

Tamar Lichtman, LMSW

Addiction Counselor, Chelsea and Tribeca New York


Tamar Lichtman, LMSW, is a member of the Hazelden Betty Ford's Intensive Outpatient and Outpatient clinical teams. Tamar received her master's degree from New York University, with a focus on addiction and co-occurring disorders. She completed clinical internships at Hazelden Betty Ford’s Intensive Outpatient Program in Chelsea and at the National Association on Drug Abuse Problems in Brooklyn. Prior to attending graduate school, Tamar worked as a clinical research coordinator for the Mood and Personality Disorders Research Program at Mount Sinai. In addition, she holds a BA in 1) Psychology and 2) Women’s, Gender, and Sexuality Studies/English Literature from Barnard College.

Tamar Lichtman, LMSW, Chelsea and Tribeca, New York
Ashling McCosker

Ashling McCosker, LMSW

Addiction Counselor, Tribeca New York


Ashling McCosker, LMSW, specializes in working with dually-diagnosed adults. Ashling received her master's degree in social work at New York University where she focused on co-occurring addiction and mental health disorders. Her prior experience includes counseling terminally ill individuals and their families, focusing on grief, bereavement, and other end-of-life issues. Ashling is currently obtaining advanced post-graduate certification with the Eastern Group Psychotherapy Society, and will soon become credentialed as a Certified Group Psychotherapist.

Ashling McCosker
Jeremy Duhme

Jeremy Ware, LCSW, EdM

Addiction Counselor, Tribeca New York


Jeremy Ware, LCSW, EdM, has worked in the addiction field for more than 10 years and more than 25 years in the counseling and education fields. He is a highly-rated psychotherapist, group leader, teacher, and an Emmy-nominated documentary filmmaker. He is committed to supporting and challenging people, and has a great passion for being present during moments of change in a person's life. He is the president of the Joseph H. and Florence A. Roblee Foundation, funding programs across the United States for youth and parents, with a special focus on preventing commercial sexual exploitation of children. He is a Harvard-trained educator, an NYU-trained social worker, and has special expertise in cognitive-behavioral therapy and motivational interviewing.

Jeremy Duhme