Brandy Vandermark Murray is the President and Chief Executive Officer of Horizon Corporations in Buffalo, New York, where she leads one of the region’s most comprehensive behavioral health organizations. She was appointed to this role in July 2026 after serving as President of Horizon, where she provided strategic leadership and advanced the organization’s mission of delivering high-quality, accessible behavioral health care.

Prior to becoming President, Brandy served as Senior Vice President of Operations, providing executive oversight for all behavioral health programs and spearheading strategic initiatives that strengthened Horizon’s clinical excellence and operational performance. Throughout her tenure, she has played a critical role in expanding services, enhancing access to care, and driving innovation across the organization.

A Licensed Mental Health Counselor and Certified Alcohol and Substance Abuse Counselor, Brandy brings more than twenty years of clinical experience to her leadership. She has been a driving force behind Horizon’s integrated care model and has led significant expansion of substance use services across Western New York. Her accomplishments include restructuring and expanding Erie County’s only community-based detoxification program and developing two innovative residential programs—one for young adults and one for women—that were among the first in New York State to operate under the 820 regulations, enabling more intensive clinical services within residential settings.

Brandy is deeply committed to ensuring high-quality, equitable behavioral health care and to fostering a mission-driven, supportive environment for the workforce. Her leadership has been recognized with the ASAP Eileen Pencer Women’s Leadership Award and the 2025 Business First Excellence in Healthcare Award. She has also championed women-specific programming at Horizon, including expanded training in perinatal mental health and strengthened partnerships with local medical providers to support early intervention.

In addition to her executive role, Brandy serves as an adjunct professor in the Graduate School of Mental Health Counseling at Canisius University, where she teaches courses on substance use and the impact of the opioid epidemic. An alumna of Canisius College, she holds a bachelor’s degree in political science and a graduate degree in mental health counseling.

A respected voice in behavioral health policy and workforce development, Brandy frequently speaks at state and national forums. She serves as the Region 2 Board Member for the National Council for Mental Wellbeing, sits on the Executive Board of InUnity Alliance, and is a board member of the Therapeutic Community Association of New York State.

A committed community leader, Brandy is a graduate of Leadership Buffalo’s Class of 2022 and serves on several boards throughout Western New York including Aspire of WNY, Seneca Street CDC, The Service Collaborate and Coordinated Care Services Inc.

She lives in Snyder, New York, with her husband, their two children, and their dogs, Lilly and Winston.

Anne D. Constantino has held her current position since 1994. In this role, she leads the development and implementation of strategic and annual operating plans for Horizon Health Services, Horizon Village, and Horizon Health Alliance.

Anne has led Horizon Corporations in expanding services and implementing best practices, growing revenues and market share. Through this development period, Horizon’s staff grew to more than 700 individuals. Anne is also the founding member and current President of Value Network, IPA, a membership organization of WNY behavioral and healthcare providers working on transforming the healthcare system to improve patient outcomes and decrease costs.

An undergraduate of Buffalo State College and a graduate of SUNY at Buffalo—where she received her M.S. in Educational Psychology and Rehabilitation Counseling—Anne is an active member of several industry organizations and boards:

• Amherst Chamber of Commerce: Board Member; since December 2018
• Executive Board 2021
• Led development of Strategic Plan 2019
• Member, Buffalo State Foundation Board; since 2016
• Member, Executive Committee for NYS Addiction Services Providers; since 2011
• Member, Executive Committee Coalition for Community Services; since 2010
• Participant in numerous NYS committees for the leadership, advocacy, and transformation of the NYS behavioral health system
• Member of Governor’s Advisory Task Force on Opiate Addiction

Erin DiGirolamo joined Horizon Corporations in 2006 and serves as the organization’s Chief Executive Officer. She came to Horizon after 16 years in Ernst & Young’s Healthcare Consulting Division where she conducted turnaround projects. Her experience serves her well, as Erin’s responsibilities at Horizon include both optimizing operational efficiencies and ensuring financial stability. In her role, Erin is responsible for the strategic and operational aspects of the organization’s financial planning, management, and development. She leads many operational change initiatives across all service lines and especially loves leading the marketing team.

As a “status quo” challenger, she is frequently asked to participate in statewide committees related to major change initiatives, including:

• Medicaid Rate Reform
• NYS Value Based Payment Reform
• DSRIP financial committees.

Erin was a 2007 recipient of Business First’s “Forty Under 40″ award and the 2008 “CFO of the Year” awardee. She was a proud member of the Leadership Buffalo class of 2008. Erin received a B.S. Degree in Accounting from St. Bonaventure University, and a secondary concentration in Pharmacy from West Virginia University. She is a resident of Orchard Park and mom to two busy children. Erin is currently a board member of Hospice & Palliative Care of Buffalo.