Leaderships and Board

The Onyx leadership team includes some of the best know names in health IT in the country. We have not only helped build the backbone of nationwide health data interoperability, we are reshaping how it will look moving forward.

LEADERSHIP & ADVISORS

Meet the Onyx team

Onyx is led by the architects of CMS Blue Button 2.0, the authors of the HL7 FHIR standards the industry runs on, and the operators who have deployed interoperability infrastructure for 50+ health plans across the country. Our advisors are former federal health IT leaders and the standards experts who shaped the policies our industry is built on.

Leadership Team

Author of 20+ HL7 FHIR and C-CDA standards now deployed across major EHR systems nationwide, architect of clinical data infrastructure serving 30M+ patients, and Senior Technical Advisor to HHS, ONC, CDC, and HRSA. At Onyx, Dragon leads the AI and clinical intelligence layer — bringing decades of production-scale standards expertise to measurable outcomes for payers across risk, quality, and care

Nagesh"Dragon"Bashyam

Chief Technology Officer

Strategic operations leader with 15+ years in healthcare. Naveen builds and maintains the client relationships and cross-enterprise business strategies that drive Onyx’s growth — ensuring every health plan on OnyxOS gets the partnership they need to succeed.

Naveen Chaudhary

Chief Administrative Officer

Senior executive with leadership experience at Oracle, CIGNA, Aetna, Cardinal Health, and State Street Corporation. Tom brings a proven track record in growth strategy, market expansion, and financial management to Onyx’s commercial operations.

Thomas DeGemmis

Chief Growth Officer

Product Co-founder of InteropX and former VP and CTO at JBS International, where he built a mature IT practice around healthcare standards, interoperability, and structured data exchange. Latif architected the Federal Safety Reporting Portal for FDA and NIH — a multi-agency platform coordinating adverse event reporting across federal health institutions. At Onyx, he brings deep operational and technical expertise to the clinical data programs that drive payer performance.

Latif Khalil

Senior Vice President

Chief Executive Officer Healthcare and life sciences technology executive with leadership experience at IBM and Wipro. Susheel leads Onyx’s mission to turn payer data into operational intelligence — building the company that moves health plans from compliance to competitive performance.

Susheel Ladwa

Chief Executive Officer

Technology leader with 28+ years designing and architecting enterprise solutions, including 18 years in healthcare. Balaji leads product strategy and development for the OnyxOS platform, translating complex payer data challenges into scalable, production-ready capabilities.

Balaji Narayanan

Chief Product Officer

Chief Interoperability Officer Architect of CMS Blue Button 2.0 — the largest FHIR implementation in the world — and author of the HL7 Da Vinci PDex standard that CMS-0057 is built on. Mark has shaped the federal health data infrastructure serving tens of millions of Americans and leads Onyx’s standards and interoperability strategy.

Mark Scrimshire

Chief Interoperability Officer

Advisory Board

Grahame Grieve Creator, HL7 FHIR Standard Creator of the HL7 FHIR standard and architect of the modern healthcare API ecosystem. Grahame leads the international FHIR community and advises Onyx on standards strategy, global interoperability, and the next generation of clinical data exchange.

Grahame Grieve

HL7 FHIR Standard Creator

Judy Murphy, RN FACMI · LFHIMSS · FAAN Former Chief Nursing Officer at IBM Global Healthcare and Deputy National Coordinator for Programs and Policy at the Office of the National Coordinator (ONC). A nationally recognized nurse informaticist with decades of leadership in health IT policy, clinical informatics, and federal health data strategy.

Judy Murphy

Nurse Executive & Health IT Leader

Tony Trenkle Former CIO, CMS Former Chief Information Officer and Director of Information Services at the Centers for Medicare & Medicaid Services, and former Chief Health Information Officer at IBM. Tony brings deep federal health IT policy and large-scale implementation expertise to Onyx’s platform and go-to-market strategy.

Tony Trenkle

Former CMS CIO