Mr. Siwabessy serves as CFO for UCI Health and the UC Irvine School of Medicine, overseeing business, finance and strategic initiatives across the system. Since joining in 2021, he has led significant growth, increasing UCI Health’s revenue by 15% annually and playing a key role in a $975 million acquisition from Dallas-based Tenet Healthcare, which expanded the hospital network from one to five facilities. Mr. Siwabessy has been instrumental in advancing UCI Health’s $1.3 billion project to construct the UCI Health-Irvine complex, with its final phase set to open in 2025. He has also driven value-based care initiatives, including improving population health management and aligning financial strategies across the enterprise. Under his leadership, the UCI Health ACO has shown strong growth and improved performance in Medi-Cal quality measures.
