Our people

Our Executive Leadership Team

Paul Viskovich
Chief Executive Officer
Paul Viskovich is the founder and CEO of Healthfully. Paul has over 20 years of experience in the healthcare software industry. Previously, Paul served as President of Orion Health in North America where he led the company from start up to one of leading Health IT companies in North America.
Mark Boudreau
Chief Operating Officer
Co-founder Mark Boudreau is the COO of Healthfully and brings more than 30 years of success across the technology, product and service, and healthcare industries. Mark previously served as a partner at Accenture and Vice President of Strategy at Orion Health.
Kristen Hostetter
VP Development
Kristen has over 18 years of experience in Healthcare Software Solutions for digital health platforms, with expertise in technical design, architecture, development and resource management. Kristen previously has had senior software development roles with xG Health Solutions, Orion Health, Intuitive Technical Solutions and RK Consulting. Kristen currently leads a significant team of developers and designers.
Dr. Richard Castaldo
Chief Medical Officer
Dr. Castaldo has broad healthcare experience, serving as a primary care physician for 30 years. He also has a deep background in addiction and sports medicine. Dr. Castaldo is very active as a primary care physician, Medical Director of a Medicaid long-term health plan, and a physician for Men’s Division I Hockey at Niagara University.
Stacey Cannon
Chief Legal Officer
Stacey Cannon has 20 years of experience in corporate law related to digital health platforms, international healthcare, and associated technologies.
Josh Fuller
Director of Healthcare Operations
Josh Fuller is an accomplished manager and leader with years of experience in public health, care management, health information technology, digital health platforms, and community engagement. His expertise includes strategic planning and implementation, community and patient engagement, practice transformation, and program development.

Our Advisors

John D. Halamka MD, MS
John is president of Mayo Clinic Platform. He previously was International Healthcare Innovation Professor at Harvard Medical School and Chief Information Officer of the Beth Israel Deaconess system. John is a practicing emergency physician. He has served the Bush administration, the Obama administration, and governments throughout the world planning their healthcare IT strategy.
Nikao Yang
Nikao is currently COO at Lucidity, which provides a blockchain protocol that provides transparency and authenticity for digital advertising analytics. Previously he co-founded the mobile advertising platform AdColony and exited in 2014 for $350 million.
Simon Jones
Previously VP of HIT for Blue Shield of CA, Simon brings 20 years of experience driving value and improving clinical outcomes. He advises on product strategy.

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