Management Team / Board of Directors

The Healthix management team represents expertise across a spectrum of healthcare and information technology sectors.

Todd M. Rogow, MPA, CHCIO

President and CEO


Todd M. Rogow, MPA, CHCIO is the President and Chief Executive Officer of Healthix.
Todd brings a wealth of knowledge, industry experience and innovation to the health information exchange space, where he has worked in leadership positions over the past ten years. He joined Healthix in 2015 as the Senior Vice President and Chief Information Officer, providing the vision, strategy and day-to-day operational leadership for all technical aspects of the company.

During his tenure at Healthix, Todd has driven the organization’s rapid growth and innovative change, fulfilling the critical role of building and leading Healthix’s information technology function through the implementation of next generation application software and completing the technical systems merger of several HIE organizations that now make up Healthix. Today, Healthix, the largest publicly funded HIE in the nation, manages records of over 17 million individuals, with data coming from over 1,200 participating organizations across New York State. Todd also established a comprehensive security program at Healthix, recently achieving HITRUST certification.

Before joining Healthix, Todd served as the Chief Technology Officer at HealthInfoNet, Maine’s State HIE. With 20+ years of experience, primarily in directing technical projects, he has provided business and consulting services to a range of Fortune 100 companies and many government agencies including the Department of Defense. Todd has served as a subject matter expert at conferences and on national and international panels and at conferences on the subject of healthcare technology. He has also authored a number of publications and case studies.

Todd has a master’s degree in Public Administration and a BA from the University of Vermont. He holds several certifications, among them; Certified Healthcare Chief Information Officer (CHCIO) and Project Management Professional (PMP) and is a graduate of the Daniel Hanley Center for Health Leadership program.

Joan Carney Clark

Senior Vice President, Solutions and Member Engagement


Joan brings substantial and relevant healthcare experience to this role. For nearly eight years, she worked at The Brooklyn Hospital Center as Senior Vice President, Planning, Physician Relations, External Affairs, Grants, Marketing & Communications. Prior to this role, she was Corporate Vice President for Planning at Saint Vincent’s Catholic Medical Centers. Joan also served as Assistant Vice President at Maimonides Medical Center, as well as worked at Beth Israel Medical Center and Continuum Health Partners as Director, Clinical Practice & Program Development for seven years. Joan started her healthcare career at Empire Blue Cross Blue Shield, assuming progressively greater responsibilities over a ten year period, ending with the position of Director, Managed Care/ Member Education Programs.

Joan will lead the many facets of Healthix’ support to our Participants, with responsibility for:
– Business Development (recruiting new Participants to Healthix)
– Compliance (training and auditing Participants and staff on compliance with security and privacy)
– Member Services (supporting Participants and maximizing the benefits they receive from Healthix)
– External Affairs and Corporate Communications (developing communications and training materials for outreach to all stakeholders)

In addition, Joan will apply her extensive experience in strategic planning to develop and execute the strategic and operational plans that Healthix plans to achieve in the future.

John S. Guastella

Chief Financial Officer and Senior Vice President


John S. Guastella, CPA is Senior Vice President of Finance and Administration and Chief Financial Officer for Healthix. He is responsible for all finance, accounting, budgeting, financial and tax reporting, insurance, human resources and administration activities. He is a member of our Finance Committee and is the main liaison with the company’s independent auditors and tax advisors. John has significant business and financial experience with entities that are poised for fast-paced growth in the technology space. Prior to joining Healthix, John was the Senior VP of Finance, Treasurer, and Secretary for FatWire Corporation for 12 years. FatWire was a developer of enterprise software that was acquired by Oracle in 2011. John joined FatWire as its Controller and helped the company grow from a small start-up with just a few million in revenue to a worldwide entity, with operations in 12 foreign countries and revenues of approximately $40 million. He played an integral role in building the firm’s world-class financial function from scratch, and also played a significant role in the successful sale to Oracle.

Prior to joining FatWire, John held positions of increasing responsibility at several other entities. He was the Controller at New York-based Andin International, a manufacturer and distributor of fine jewelry products. Prior to Andin, John was the Director of Internal Audit at Henry Schein, Inc., an international distributor of dental, medical, and other healthcare supplies. John began his career at BDO, the international accounting and consulting firm, where he progressed to the level of Senior Audit Manager. He is a Certified Public Accountant in New York State.

Vivienne Destefano

Senior Vice President of Corporate Affairs

Tom Moore

Senior Vice President, Innovation


Tom has worked in information technology for over 20 years including software development, business process re-engineering and management in government, financial services, telecommunications, professional publishing, life sciences and health care. He is currently the Senior Vice President of Innovation for Healthix, a leading health information exchange (HIE) providing services in metro New York City to millions of patients and thousands of providers from hospitals, physician practices, home health agencies, nursing homes and managed care organizations. In addition to leading several major interoperability initiatives, Tom works closely with Healthix members to define and design information services to support improvements in care coordination across disparate organizations.

Jason Thaw

Vice President, Member Strategy and Business Development


Jason is Vice President for Member Strategy and Business Development, a newly formed department designed to expand upon and enhance the value of Healthix to its Participants, as well as the overall healthcare community. With the recent inception of the Healthix Population Health Committee, Jason engages Healthix Participants, ensuring that their needs and strategic initiatives are met, while delivering value in support of value-based care and shared risk models.

Jason began his career at Healthix in 2009 and has been a key driver of HIE adoption throughout downstate region. He has worked closely with large integrated delivery networks, bringing innovative solutions to the evolving needs of healthcare delivery systems in New York City and Long Island. Responsible for developing the account management as well as business development departments at Healthix, he has overseen key aspects of Participant expansion and success as it relates to interoperability.

Jason holds a Bachelor of Arts degree in Psychology from State University of New York at Binghamton. He has worked in his community of Long Island and Manhattan as a guest lecturer on the state of HIE in New York as well as the value of HIE in care delivery and value-based programs.

John Chow

Chief Information Security Officer


John Chow has more than 30 years of information technology experience, focusing specifically on information security for the past decade. In his prior role as the Director of Information Security at Healthix, John maintained leadership positions in both IT operations and information security. Previously, John served as IT Operations Team Lead and Information Security Analyst at IBM for over 16 years. Before joining Healthix, he also worked as an Information Security Engineer/Analyst.

John is a well-respected expert on security maintenance and assessment for SAS70, SSAE16, SOC-Type1/2, ISO-2700x, SARB-OX, PCI, CIS, NIST, HIPAA, and HITRUST requirements, excelling in support and security maintenance and assessment of desktop, server, virtual and network environments. He also has extensive experience in identity and access management, configuration management, vulnerability management and risk management. In 2018, John successfully helped lead the effort to obtain HITRUST CSF Certification for Healthix systems, including InterSystems HealthShare, Health Insight and HBI Spotlight Analytics.