Who We Are
Leadership
William “Will” Petrone
Chief Executive Officer
Allegiance Healthcare Solutions LLC
About Will
William “Will” Petrone is the Chief Executive Officer of Allegiance Healthcare Solutions LLC and a recognized leader in healthcare interoperability, systems modernization, and enterprise integration strategy. With more than 20 years of experience guiding healthcare organizations through complex digital transformation, Will brings a rare combination of technical depth, operational insight, and strategic vision to the company’s mission.
Since founding Allegiance in 2020, Will has positioned the organization as a trusted partner for health systems, software vendors, and enterprise healthcare providers seeking to simplify integration, accelerate modernization, and achieve scalable, standards‑based interoperability.
Career Leadership
Before launching Allegiance, Will served for 14 years as U.S. Vice President at MDI Solutions Limited, a leading Canadian healthcare software and services provider. There, he led national integration teams delivering mission‑critical solutions to hospitals and enterprise clients across North America.
His earlier leadership roles at MDI Solutions Limited, Mitem Corporation, SCI Healthcare Group, and McKesson HBOC included major initiatives such as:
- Consolidating McKesson EHR systems for Hawaii Health Systems Corporation
- Leading SCI to become an IBM Systems Partner
- Serving as a preferred subcontractor to SeeBeyond for enterprise integration consulting
These experiences shaped Will’s ability to guide organizations through high‑stakes modernization efforts involving clinical, financial, and operational systems.
Expertise in Healthcare Interoperability
Will’s technical and strategic expertise spans the full interoperability ecosystem, including:
- HL7 interface engines: Mirth, Rhapsody, Cloverleaf, Corepoint
- HL7 and FHIR standards development and industry participation
- Integration application development and modernization
- Vendor enablement and implementation support for hospitals and health systems
- Cross‑platform integration of clinical, financial, and operational systems
He has built strategic alliances with Infor, Sybase, IBM, SeeBeyond, and other major integration technology providers. His work has supported large‑scale deployments for organizations such as Ascension, Christus Health, and hospitals using Epic, Meditech, Cerner, and McKesson platforms.
Strategic Vision
Under Will’s leadership, Allegiance Healthcare Solutions is focused on:
- Reducing the cost and complexity of interoperability
- Delivering scalable, standards‑based integration architectures
- Supporting digital transformation across clinical and financial domains
- Modernizing legacy systems and automating critical workflows
- Strengthening vendor partnerships to enhance solution delivery
Will is known for his ability to anticipate emerging customer needs, architect effective solutions, and lead cross‑functional teams that deliver measurable value.
Industry Impact
Will has led technology and consulting teams across the United States and Canada, consistently driving revenue growth, expanding enterprise client relationships, and building long‑term partnerships with major health systems and global software vendors. His experience spans startups, enterprise turnarounds, and large‑scale modernization programs—giving him a unique perspective on how to align technology, operations, and strategy in complex healthcare environments.