Senior Leadership Team

  • Billy Green
    Senior Director of Clinic Programs
    Billy Green, a Washington, DC native, has worked in the healthcare industry for over 15 years. He is a multi-dimensional healthcare operations leader ensuring patient care is delivered optimally and applied across the spectrum of medical practices, hospitals, non-profits, and start up organizations. Billy upholds a BS in healthcare administration as well as an MPA from Bowie State University. Billy is currently the Senior Director of Clinic Programs where he oversees all clinic programs and operations with CASES. Billy also works with stakeholders such as NYC jails, probation, parole, social service agencies, and more by driving the agency mission to ensure those individuals involved in the legal system have access to mental health treatment. Billy’s recent experience includes managing FQHCs, medical group practices, long-term care, and hospital-based clinics and departments. Billy loves to work with clinical leaders to monitor and manage clinical processes and maintains an exceptional level of customer service to internal stakeholders, external customers, and relationship partners. Billy also has a passion for identifying strategies for growth and executing plans to achieve growth-related goals.
  • Giles Malieckal
    Senior Director of Pretrial Services
    Giles Malieckal joined CASES in 2016 to lead the organization’s newly created Manhattan Supervised Release Program (MSRP) and has served as the Senior Director of Pretrial Services since August 2019. In this time here, he has overseen the expansion of MSRP to a department of over 150 multi-disciplinary staff operating out of five program locations as part of the program’s response to the landmark reforms of the state’s bail laws. He is licensed as a clinical social worker (LCSW) with extensive experience working in various social service settings at the intersections of behavioral health, child welfare, homeless services, and forensic court-based diversion. Giles holds a Master’s in Social Work (MSW) with a Clinical Concentration from Fordham University’s Graduate School of Social Service and an undergraduate degree in History from Occidental College in Los Angeles.
  • Justine Tribou
    Senior Director of Court Services
    Justine Tribou, LCSW, has worked at the intersection of social work and court services for CASES since 2012. A native New Yorker, Ms. Tribou earned a BA in criminology and psychology from Stonehill College and a Master's of Science in Social Work from the University of Tennessee College of Social Work. After graduating, Ms. Tribou joined CASES, where she was the first social worker to work in the Manhattan Criminal Courts arraignment program during nights and weekends. In this role, Ms. Tribou has advocated for thousands of clients’ entry into CASES’ programming. Additionally, she has trained numerous CASES court representatives to respectfully address the court for clients to be diverted to our newSTART and Supervised Release programs, among others. As a key frontline CASES team member responding to the increased number of individuals now eligible for pretrial services following New York’s implementation of bail reform, Ms. Tribou now serves as the Senior Director of Court Services to ensure all clients are connected to the clinical and community services, they need across NYC courtrooms for CASES.
  • Sophia Morel
    Senior Director of Education, Career, & Enrichment Services
    Sophia Morel began her career at CASES as an intern in 2004 before transitioning to a full-time position in 2005. She has worked in CASES’ Family Court alternative-to-detention services, taught in the high school equivalency (HSE) program, led HSE and post-secondary initiatives, and helped usher expansion of education and employment services at the agency. In her current role, she implements and develops a spectrum of programs and services serving youth and young adults impacted by the criminal legal system, from preventative through reentry. Ms. Morel holds a Bachelor of Arts (B.A.) in Communications and Rhetoric from SUNY Albany and a Master of Science in Education (M.S.Ed.) in Leadership and Community-Based Learning from Bank Street College of Education.
  • Tysen White
    Senior Director of Community Support & Supervision
    Tysen is a licensed social worker with extensive experience delivering, managing, and leading direct service programs, including vocational, youth, case management and shelter programs. In 2018, he joined CASES to create the Health Home Plus program, providing leadership, vision, and direct operational oversight for a diverse program that started with 1 staff and 1 client that now has 8 Staff and services over 100 clients. In 2020 during the pandemic, he also developed a re-entry program for Men with serious mental illness coming out of state prisons into New York City Shelters. Tysen also participates in officiating youth basketball where he helps young athletes on and off the court with life challenges. Prior to joining CASES, he worked in a variety of direct service and leadership roles at FEGS, The Puerto Rican Family Institute, NADAP and BRC.
  • Reshamjeet Singh
    Senior Director of Finance & Administration
  • Sheldon Toussaint
    Senior Director of Data & Analytics
    Sheldon Toussaint joined CASES in 2019 as its first Director of Data Reporting and Analysis and has served as the Senior Director of Data and Analytics since March 2022. In his current role, he leads the analytics and database teams. He is responsible for executing CASES data strategy and delivering the best solutions for data management, reporting and business intelligence across the organization. Sheldon has over 15 years of experience working in various data related roles and prior to joining CASES, served as the Data Strategy Manager at the Harlem Children's Zone. Sheldon holds a Bachelor of Science (BS) in Business Management from Saint Francis College (NY) and a Master of Business Administration (MBA) specializing in strategy and operations from New York University Stern School of Business.
  • Patricia Haversham-Brown
    Senior Director of Intensive Mobile Treatment (IMT)
    Patricia Haversham-Brown is a highly skilled administrative social worker with expertise in behavioral healthcare. She is experienced treating those living with mental illness and substance use issues. She is also skilled at working with the criminal justice population, PLWA, and mandated individuals. Additionally, Patricia has expertise treating women recently released from prison in individual and group therapy sessions. At CASES, Patricia serves as the Senior Director of Intensive Mobile Treatment Services (IMT). Her primary clinical responsibility is to ensure adequate and appropriate service treatment delivery and staff training in conjunction with program requirements and additional outside training. She is also responsible for the development and maintenance of ongoing relationships with referral sources, service providers, shelters, hospitals, jails, courts, and other community resources. Patricia maintains compliance with the contraction of services and practices according to principles of recovery and trauma-informed service delivery. Patricia also oversees up to 7 LMSW’s in group social work supervision. She obtained her master's from Hunter College School of Social Work.
  • Erica Kwan
    Senior Director of Assertive Community Treatment (ACT) Services
    Erica Kwan is the Director of Assertive Community Treatment (ACT) Services at CASES overseeing 7 ACT teams (3 forensic ACT teams, 1 ATI ACT team, 2 traditional ACT teams, and 1 young adult ACT team), providing mobile mental health treatment in the community to individuals who experience serious mental illness (SMI) and have recent criminal justice involvement. As the Director of ACT Services, Erica supervises the operations of all the ACT teams. She also coordinates with licensing entities and funders such as the Department of Health and Mental Hygiene (DOHMH), Office of Mental Health (OMH), and Mayor's Office of Criminal Justice (MOCJ). She holds a master’s degree in Mental Health Counseling and is a licensed mental health counselor in the state of New York.
  • Elizabeth Perez
    General Counsel
    Elizabeth joined CASES in 2022, bringing 18 years of legal experience in community organizations focused on health issues. She previously served as Compliance Officer and Counsel at the East Harlem Council for Human Services, she supported all legal needs and was a key member of the senior management team, guiding operational and strategic planning. She has worked previously at the Lawyers Alliance for New York and at Clifford Chance, LLP. Elizabeth received her B.A in International Studies and Political Science from Texas A&M University, later receiving her J.D from Columbia University School of Law and a L.L.M in Law and Development from University College London, Faculty of Laws. She is a member of Nonprofit Committee of the New York City Bar Association, the American Health Law Association, and the Policy Committee of the Community Health Care Association of New York. She is also a Board Member for Riders Alliance.
  • Lissette Rodriguez
    Director of Facilities
  • Richard Kerr
    Chief Technology Officer
    Richard Kerr is the Chief Technology Officer at CASES. In this role, he is responsible for the day-to-day operations and strategic vision of the Technology department. Richard has more than 25 years of experience managing information technology departments for various organizations where he led, implemented, and supported many for-profit and non-profit organization initiatives in the Hospitality, Fortune 500, and non-profit industries. Richard earned his BBA from Hofstra University. He has served as a panel speaker for CIO Synergy Conferences and consulted with many CIO’s on “Technology for the Future” platforms.
  • Amanda Stagnaro
    Senior Director of the Executive Office
    Amanda Stagnaro joined CASES in 2020 and has 6 years of organizational development and communications experience in nonprofit organizations. As Director of the Executive Office, she spearheads internal priority projects to build internal capacity and achieve the organization’s strategic goals. Prior to working at CASES, Amanda held positions at the Garden Club of America, Front of House Inc., and Women for Women International, and has volunteered on fundraising boards for Planned Parenthood. She holds a BA in Political Science from Marist College and an MA in Public Policy from The George Washington University, where she was a graduate assistant and researched the philosophic implications of public health initiatives targeting criminalized women, including sex workers and abortion patients.
  • Erin Weinstein
    Senior Director of Training & Development
    Dr. Erin Weinstein is a NYS Licensed Clinical Psychologist with over 15 years of experience conducting and supervising psychological treatment, assessment, and research. She brings extensive experience working with adolescents and young adults in acute psychiatric and correctional settings. Dr. Weinstein also has experience conducting individual, group, couples, and family therapy; individual and team sport psychology; and completing comprehensive psychological evaluations with culturally diverse folx of all ages in community- and hospital-based outpatient clinics, acute hospital inpatient units, and a children’s state hospital. Prior to joining CASES as the Director of Training & Development, Dr. Weinstein was an Associate Director of Mental Health at NYC H+H/Correctional Health Services Clinical Supervisor for the Young Adult Mental Observation Unit on Rikers Island. She supervised a multidisciplinary team providing individual and group psychotherapy, comprehensive risk assessment, crisis intervention, and medication management for young men detained by NYC DOC. Dr. Weinstein was an instructor for the Youth-Based Crisis Intervention Team training and a supervisor for multidisciplinary trainees completing field practicums. Dr. Weinstein holds a double BA from Bucknell University in Psychology and Spanish and a PhD in Clinical Psychology from Fairleigh Dickinson University. She completed her pre-doctoral psychology internship at NYC H+H/Elmhurst Hospital Center.
  • Leigh Taylor
    Senior Director of People & Culture Operations
  • Nadia Chait
    Senior Director of Policy & Advocacy
    Nadia Chait is an experienced advocate and policy analyst who has spent nearly a decade working in behavioral health and criminal-legal policy. Most recently, Nadia led state and city advocacy work at The Coalition for Behavioral Health, where she rose to Assistant Vice President for Policy, Advocacy & Communications. In this role, Nadia led legislative, budget, and regulatory advocacy for The Coalition’s 100 member agencies. She successfully advocated with state officials for permanent telehealth services and was an instrumental part of a campaign to increase funding for behavioral health providers. Nadia also led member committees for The Coalition and created a Committee on Justice-Impacted Individuals. Prior to her time at The Coalition, Nadia worked at Everytown for Gun Safety, where she focused on increasing support and funding for non-carceral and community solutions to gun violence. Nadia has also worked at the US Department of Health and Human Services, where she conducted research on opioid use, and for a New York City Council Member, under whom she started her career in political campaigns. She has an MPA in Health Policy & Management and a BA in History from New York University.
  • Amanda Granger
    Senior Director of Communications
    Amanda Granger is CASES first Senior Director of Communications, bringing centralized leadership and strategy at a critical time of organizational growth and evolution. Amanda previously served as the Director of Community Engagement at The WNET Group, home to New York City’s flagship public television station. In her ten years at WNET, Amanda led large-scale national initiatives for PBS programs; developed strategic partnerships with government, nonprofit, and public media partners—including to develop relevant and responsive programming for underserved communities; advised executive leadership on diversity, equity, and inclusion issues; and worked closely with the WNET fundraising team. She has previously volunteered with Court Watch NYC, attending arraignments in NYC Criminal Courts, and currently volunteers with the Parole Preparation Project working with people serving life sentences in New York to prepare for parole board hearings.