Nicholas Diaz-Appolonia

WORK HISTORY

EDUCATION

ABOUT NICHOLAS DIAZ-APPOLONIA

Nicholas Diaz‑Appolonia is a healthcare technology executive, clinical informaticist, and service‑disabled veteran with 20+ years of experience spanning healthcare delivery, government health IT, health policy, and advanced systems architecture. He specializes in building secure, interoperable, mission‑critical systems that strengthen clinical readiness, operational efficiency, and population health outcomes.As Founder & Chief Technology Officer of HIT Group, Nick leads healthcare innovation as a senior architect, CTO, and subject matter expert. His work includes major initiatives across the Military Health System, Veterans Health Administration, CMS, and state and commercial healthcare organizations—supporting some of the most complex federal EHR, integration, and interoperability programs.Nick began his career as a clinician in the U.S. Army, serving as an Operating Room Nursing Specialist and later as an Official Command Trainer supporting combat medic and convoy medical operations. This clinical foundation, paired with deep expertise in software architecture, secure data integration, emergency management, and operational planning, enables him to bridge clinical, technical, and executive domains.Previously, Nick served as Chief Medical Information Officer and Principal of Healthcare Informatics at SAIC Health Solutions, advising senior leaders at the Department of Defense and Department of Veterans Affairs on enterprise health IT strategy, interagency interoperability, and modernization of mission‑critical clinical systems.Nick is also the Founder & CEO of Apolon Investment & Development Group (AIDG), an emerging development and investment organization focused on commercial and government infrastructure projects. Through AIDG, he brings strategic, operational, and risk‑aware leadership to initiatives that support long‑term community and mission‑driven needs.His professional mission centers on designing advanced concepts and integrated technology solutions that enhance workflow, security, and decision‑making—driving sustainable impact across healthcare, government, and commercial sectors.