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 20 million individuals, with data coming from over 8,000 participating healthcare facilities 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.

Vivienne Destefano

Senior Vice President of Corporate Affairs

Vivienne DeStefano is the Senior Vice President of Corporate Affairs for Healthix. In this role, Vivienne provides leadership and oversight for Healthix branding and digital media, corporate communications and community advocacy to bring key messages to the healthcare community, legislators and other key stakeholders. She directs the development of branding campaigns, promoting Healthix services and its value proposition. Additionally, Vivienne oversees operations for administration, facilities management and human resources. She is responsible for the development of training and organizational development materials. In her prior role as Vice President of Corporate Communications, she spearheaded content development, supporting companywide efforts in exceeding New York State funding metrics.

With more than 20 years of diverse experience in the health care industry, Vivienne has assumed positions of increasing responsibility in program development and process improvement. Spending more than 11 years in the health information exchange (HIE) space, Vivienne is a pioneer in driving early HIE adoption by executing innovative marketing strategies and audit tools.

Vivienne was the Director of Membership and Outreach at Brooklyn Health Information Exchange (BHIX), which merged with Long Island Patient Information eXchange in 2013 to form Healthix. At BHIX, Vivienne implemented compliance and training programs and managed multimillion-dollar grants. She also worked at St. Vincent’s Hospital as the Administrative Director where she supervised clinical operations and launched a state-of-the-art diagnostic and treatment center.

Vivienne holds a Bachelor of Arts degree in Journalism and Media from Hunter College.

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.

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.


Nick VanDuyne

Senior Vice President & CIO


Nick brings 40 years of computing and electronics experience to Healthix. His career began working on Nuclear Missiles and Weapons Systems for the US Navy. He worked as a Dicom engineer in the early days of PACS systems, served as the Senior IT Director of a large multi-hospital IDN, VP of Global Client Engagement for an HIE/ACO vendor, the CTO of the New York eHealth Collaborative, and as the Executive Director of the New York Care Information Gateway. Additionally, he is a certified CISSP and Certified Ethical Hacker. Nick holds current certifications on Cisco products and the Linux operating system, as well as a Master’s Degree in Information Systems.

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.


Sue-Ann Villano

Vice President, Customer Success

Sue-Ann Villano brings over two decades of experience in healthcare operations, management and marketing to her new role at Healthix. Over the last five years, her focus has been primarily on the health information exchange space with an emphasis on meeting state deliverables, performance metrics and service delivery to clients. She has worked with current and past leadership to successfully merge both eHealth Network of Long Island with the Interboro Regional Health Information Organization and more recently, the New York Care Information Gateway with Healthix.

Sue-Ann leads the newly established Customer Success department at Healthix.  In this role, her priorities include working to facilitate a smooth transition of NYCIG clients into the Healthix environment, increasing utilization and customer satisfaction with Healthix products and services, and collaborating with Member Services & Business Development to meet organizational goals.

Sue-Ann specializes in client relationship building and developing strategies to resolve issues of multidisciplinary teams composed of clinicians, medical office support staff, and payers to improve access and utilization of up-to-date health data. Prior to working in the HIE arena, Sue-Ann held positions at Stony Brook Medicine, Columbia University and Memorial Sloan Kettering Cancer Center. She holds a Bachelor of Science degree in Health Care Administration from LIU/C.W. Post and a Master’s in Public Administration from the NYU Wagner Graduate School of Public Service.

Magdalena Mandzielewska, MPH, CHC

Senior Director, Compliance and Privacy Officer

Colleen Russell, MSN, RN-BC

Senior Director, Customer Experience

Colleen began her nursing career twenty-three years ago as a cardiac critical care and electrophysiology nurse. Since there is more technology involved in caring for those patients, she naturally progressed into information systems on the IT side of the hospital. Colleen has implemented and managed all varieties of IT clinical systems in the hospital setting for the past fourteen years. She’s been senior leadership for over five years, most recently serving as CIO of the Alliance for Better Health PPS, a Performing Provider System, part of the NY DSRIP incentive program to move to value-based care.Colleen holds a Master of Nursing Informatics as well as ANCC board certification. She is a longtime member of HIMSS, CHIME, and a 2019 CHIME Education Foundation Richard A. Correll Scholarship recipient.

She enjoys road cycling with her husband and parenting her 2 dogs in Albany, NY.