BHSB moved! Our office is now located at 100 S. Charles St, Tower II, 8th Floor, Baltimore, MD, 21201


  • Crista Taylor, LCSW-C

    CristaPresident and CEO of Behavioral Health System Baltimore

    Crista Taylor is the President and CEO of Behavioral Health System Baltimore. A licensed clinical social worker, Ms. Taylor is recognized as a leader in behavioral health in Maryland. She has experience working with policymakers, nonprofit organizations, and elected officials on innovative approaches to improving the behavioral health of Marylanders.

    Crista has more than 20 years of experience in the behavioral health field and she has overseen the implementation of a range of programs that improved the quality of care delivered in the Public Behavioral Health System. Since 2005, Crista has developed innovative and cost effective behavioral health approaches to service delivery at the former Baltimore Mental Health Systems and now Behavioral Health System Baltimore. With partner organizations in the community, she led the development of a Forensic Assertive Community Treatment team, a mental health docket in the Circuit Court of Baltimore, and served on the executive team that lead to the creation of Behavioral Health System Baltimore. Prior to joining BHSB, she was the Program Director for the Community Institute of Behavioral Services Mobile Treatment Program at Bon Secours Baltimore Health System where she participated in Maryland’s initiative for implementing Assertive Community Treatment and served as a psychiatric therapist at Johns Hopkins Hospital, providing treatment in three different outpatient settings and performing street outreach to people experiencing homelessness.

    Crista received her bachelor’s degree from American University in Washington D.C. and a master’s degree in social work from the University of Maryland, Baltimore where she currently serves as an adjunct professor.

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  • Steve Johnson

    Vice President, Programs

    Steve Johnson is the Vice President of Programs at Behavioral Health System Baltimore.  At BHSB, Steve leads a team of staff that is responsible for oversight and management of services within the publicly funded system of mental health and substance use related services for adults, youth and families in the city of Baltimore.  In collaboration with others at BHSB, those served by the system of care, families, and other stakeholders; his team focuses on the accessibility, quality and comprehensiveness of the system of care.

    Steve is a licensed clinical professional counselor with over 25 years of experience providing services and managing programs in Baltimore.  He approaches his work with goals of progressive social justice and enhancing the experience of community for all people.  He envisions a behavioral health system that is increasingly person and family centered; nurtures the resilience, strengths, and natural supports of people; and supports individualized visions of recovery and meaningful community life.

    Steve received a master’s degree in Community Mental Health from Trinity College of Vermont.

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  • Mimi Gardner, LCSW


    Vice President, Accountability and Provider Relations

    Mimi Gardner is the Vice President of Accountability and Provider Relations at Behavioral Health System Baltimore.  At BHSB Mimi oversees the department which monitors service programs in quality and compliance activities.  In collaboration with other divisions, Accountability and Provider Relations ensures that consumers in Baltimore are receiving consistent, high quality services.

    A licensed clinical social worker, Mimi has over 32 years of experience serving behavioral health needs in urban communities. She has experience overseeing operations and as an administrator in behavioral health organizations. She has a wealth of experience working with adults, children and families in system development, community organization and service delivery.  Throughout her career she has been a strong advocate for consumers. She has prided herself in being a champion for designing and improving quality services for underserved populations.

    Mimi received her bachelor’s degree in Sociology and her master’s degree in Social Service Administration from the University of Chicago.

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  • Adrienne Breidenstine, MSW

    Vice President, Policy and Communications

    Adrienne Breidenstine is Vice President of Policy and Communications. She directs the development of communications and policy and advocacy activities for Behavioral Health System Baltimore, coordinates BHSB’s policy priorities with non-profit and governmental partners, and implements media, public education and advocacy campaigns to create positive behavior and policy change.

    Adrienne has over 10 years’ experience with health and housing policy and helped shape policy reforms as it relates to homelessness and health care policy at the federal and local level. Prior to joining BHSB, Adrienne served as the Executive Director of the Journey Home for the Baltimore City Mayor’s Office of Human Services where she led the implementation of the Journey Home, Baltimore’s plan to end homelessness. In this role she established the first-ever performance management approach to track and evaluate progress to implement The Journey Home and launched the Mayor’s Veteran Homelessness Challenge, a community collaborative that permanently housed over 600 Veterans in 2015.

    Previously, Adrienne served as the Director of Overdose Treatment and Prevention at Behavioral Health System Baltimore. She received a master’s degree in social work, with a concentration in social action and community development, from the University of Maryland, Baltimore.

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  • Lynn Mumma, MSW

    Vice President, Strategy

    Lynn Mumma serves as the Vice President for Strategy. She oversees strategic planning and data and analytics for Behavioral Health System Baltimore and directs the work of identifying opportunities to partner with other systems, agencies, and funding sources to implement new projects and expand existing ones that further BHSB’s mission.

    Lynn has over seven years’ experience directing behavioral health and child welfare programmatic operations. Prior to joining BHSB, she served as the Deputy Director for the Baltimore City Department of Social Services, overseeing adult, family and children’s services, where she spearheaded the implementation of a family find program serving children in foster care who do not have a permanent connection to family. An intensive search process is conducted to identify and locate disconnected family members, who are then engaged in the children’s lives in vital and sustaining ways. Lynn also brings experience from the health care sector, having managed national employer group health care plans and pharmaceutical contracts.

    Lynn received a master’s degree in social work from Boston College and an undergraduate degree from Duke University.

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  • Arnold Ross, MBA


    Vice President, Finance and Operations

    Arnold Ross is Vice President of Finance and Operations. As the Chief Financial Officer for BHSB, he is responsible for overseeing all of the business aspects of the organization, including budget planning, contract preparation, fiscal and financial management, grants and general accounting, equipment purchasing, and facility/Information technology management.

    For 15 years, Arnold served as the Chief Financial Officer for the former Baltimore Substance Abuse Systems, Inc. and now Behavioral Health System Baltimore. In this role, he oversaw financial and administrative management for the organization and successfully implemented new accounting systems, internal controls, and compliance polices. Before joining BHSB, he was the Controller for the Family League of Baltimore, where he managed and developed financial systems, monitored management information systems, developed fiscal and accounting policy for the delivery of and comprehensive rehabilitation services to foster care children in Baltimore City.

    With more than 25 years of nonprofit financial management experience, Arnold has served a variety of not-for profit boards in the publicly funded treatment and prevention system in Baltimore City, including the Board of the AA Grapevine, Inc., and the General Service Board of Alcoholics Anonymous, Inc. He received his master’s in business administration from Atlanta University and his bachelors in management and finance from Morris Brown College in Atlanta, GA.

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  • Directors

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  • Board of Directors

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  • Staff Directory

    Behavioral Health System Baltimore Staff Directory

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