Executive Leadership Team

Joel Copperman, CEO

Joel Copperman, Chief Executive Officer/President

Joel Copperman joined CASES in 1990 as the organization’s first Executive Director. Prior to joining CASES, Mr. Copperman held several positions in New York City Government during the administration of Ed Koch. Mr. Copperman was in the Mayor’s Office of Intergovernmental Relations serving as a legislative representative in Albany, was Deputy Director of the Mayor’s Office of Operations, and was the first Director of the Mayor’s Office of Contracts.

Currently, Mr. Copperman is Chair of the Board of Directors of the Human Services Council, a coalition of over 160 New York City organizations that advocates for the needs of the human services sector; Chair of the Board of Directors of Youth Represent, an organization that provides juvenile defender representation and addresses other legal issues that may stem from a young person’s involvement in the criminal justice system; and a member of the New York City Discharge Planning Collaboration, a coalition of city agencies, non-profits, research institutions, and experts that works to transform outcomes for people in jails and shelters. In August 2011, Mr. Copperman was selected by the New York State Office of Children and Family Services to serve on the Advisory Board for its new Brooklyn for Brooklyn Initiative (B4B), a community-based, therapeutic model for serving youth in state custody.

Mr. Copperman holds a B.A. from Bradley University, a J.D. from Boston University School of Law, and an M.P.P. from the John F. Kennedy School of Government at Harvard University.

Joel Copperman, CEO

Rebecca Asbury, Chief Financial & Administrative Officer

Rebecca Asbury joined CASES in 1996. She oversees the organization’s $10 million annual budget and supervises the departments of Finance, Human Resources, Information Services, Strategic Planning and Analysis, Development, and the Physical Plant. Prior to joining CASES, Ms. Asbury was the Assistant Vice President for Finance and Administration at the Bank Street College of Education in New York City. She has taught as an Adjunct Professor at New York University’s Robert F. Wagner Graduate School of Public Service. Ms. Asbury holds a B.A. from Mount Holyoke College and an M.P.A. from Baruch College.

Joel Copperman, CEO

Ann-Marie Louison, Director of Adult Behavioral Health Programs

Ann-Marie Louison joined CASES in 1999 and is the co-founder of the Nathaniel Project. The Nathaniel Project was the first alternative-to-incarceration program in Manhattan Supreme Court for adults with severe and persistent mental illness convicted of felony offenses. The Nathaniel Project was selected from a nationwide pool of applicants as the sole award winner of the 2002 Thomas M. Wernert Award for Innovations in Community Behavioral Healthcare. In June 2003, the Project was licensed by the New York State Office of Mental Health to provide evidenced-based Assertive Community Treatment (ACT) services.

Ms. Louison became Director of Mental Health Programs in 2002, overseeing Nathaniel ACT and subsequently launching the EXIT and Transitional Case Management programs. In 2011, CASES merged its Criminal Court and Mental Health programs into a new program group, Adult Behavioral Health, which Ms. Louison currently leads. She is also a consultant to the Council of State Governments (CSG) Justice Center and is regularly selected to attend national expert panel discussions on jail diversion. In January 2010, she participated on such a panel convened by the National GAINS Center to reflect on conclusions from SAMHSA’s Targeted Capacity Expansion Jail Diversion cross-site evaluation. Prior to joining CASES, Ms. Louison was a social worker for the Manhattan Psychiatric Center on Ward’s Island and a probation officer in England.

Joel Copperman, CEO

Rukia Lumumba, Director of Youth Programs

Rukia joined CASES in 2013, bringing more than 12 years of experience in youth development and criminal justice. Before joining CASES, she was the Director of Youth Services at the Center for Community Alternatives where she oversaw development and management of the Youth Program Unit. Lumumba previously clerked for the Juvenile Service Program of the Washington, D.C., Public Defender Service, where she represented youth detained in juvenile facilities on claims against staff abuse and inhumane living conditions. She also currently serves on the board of directors of Voices Unbroken, a nonprofit agency providing creative writing workshops to youth in prisons and to foster care youth residing in group homes.

Joel Copperman, CEO

Rebecca Linn-Walton, Director of Planning, Research, and Evaluation

Rebecca Linn-Walton joined CASES in 2015. She has a background in clinical social work with individuals and families in the NYC area, particularly those involved in the criminal justice system. Prior to working at CASES, she was awarded a predoctoral fellowship through NIH and NIDA at the National Development and Research Institutes’ Behavioral Sciences Training Program. Her research focuses on substance abuse and mental health services in the criminal justice system. She has been published in the Journal of Addiction Research and Therapy, The Clinical Supervisor, and the annual program book for the College on Problems of Drug Dependence, in addition to presenting at conferences. Dr. Linn-Walton holds a B.A. from New York University, an M.S.W. from the Columbia University School of Social Work, and a Ph.D. from the Fordham University’s Graduate School of Social Service, where she has taught in the masters program.

Joel Copperman, CEO

Dawn J. McClary, Legal Counsel

Dawn J. McClary joined CASES in 2014. Prior to joining CASES, Ms. McClary completed a three-year assignment as the International Rule of Law Advisor for the American Bar Association – Rule of Law Initiative in the Philippines. Ms. McClary has over twenty years of progressive legal experience beginning her career as an Assistant District Attorney in Brooklyn, New York. She continued her public interest service at the NYC Department of Corrections before transitioning to the private sector in the legal departments of American Express and New York Community Bank. Ms. McClary has taught as an Adjunct Professor at the City University of New York’s John Jay College of Criminal Justice. Dawn received her Juris Doctor from the University of Georgia School of Law in Athens, Georgia and a Bachelor of .Arts in English and Communications from the University of Michigan in Ann Arbor, Michigan.