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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
Gloria Anderson

Gloria Anderson, LMHC, CASAC

Supervisor, Tribeca New York


Gloria Anderson, LMHC, CASAC, earned a master's degree in mental health counseling from Troy University and has 10 years of experience as a counselor, specializing in addiction for the past seven years. She has experience in a variety of levels of care, including outpatient and inpatient, with an emphasis on substance abuse and co-occurring disorders. In addition to her formal education, Gloria holds a license in mental health counseling, as well as a special certificate in addiction.

Gloria Anderson
Kathleen Sharkey

Kathleen Sharkey, LCSW

Supervisor of Outpatient Program, New York


Kathleen Sharkey, LMSW, is a licensed social worker and the team leader of the Outpatient Program 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
Ashling McCosker

Ashling McCosker, LMSW

Primary Clinician, Tribeca New York


Ashling McCosker, LMSW, specializes in working with dually-diagnosed young 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 Duhme, LMSW, EdM

Addiction Counselor, Tribeca New York


Jeremy Duhme, LMSW, EdM, has worked with young people for twenty years and has been 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 USA. 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