Mr. Siwabessy oversees financial operations across the UCI Health academic and clinical enterprise. His role encompasses a wide range of responsibilities, including financial accounting, planning, managed care contracting, revenue cycle management and supply chain management. Mr. Siwabessy’s leadership has been instrumental in driving strong financial performance to support UCI Health’s tripartite mission, culminating in notable achievements such as orchestrating a $975 million hospital transaction and integrating revenue cycle management for improved operational efficiency. Under his guidance, UCI Health has earned recognition as a top performer nationally by esteemed organizations like Vizient, The Leapfrog Group, and US News & World Report.
