The longest-tenured CIO among the 10 largest U.S. health systems has held the role since 2018, while half of these organizations have installed new technology leaders within the last two years.
Here is a look at the current CIO at each of the 10 largest U.S. health systems and when each took on the role:
HCA Healthcare (Nashville, Tenn.)
Chad Wasserman took on the role of CIO of HCA Healthcare on Feb. 1, 2024.
CommonSpirit Health (Chicago)
Daniel Barchi was appointed CIO and senior executive vice president of CommonSpirit Health in 2022.
Ascension (St. Louis)
Gagan Singh was named chief information officer of Ascension in 2022.
LifePoint Health (Brentwood, Tenn.)
Alan Smith was appointed CIO of LifePoint Health in 2018.
Trinity Health (Livonia, Mich.)
Steve Tuohy was named CIO of Trinity Health in 2022.
ScionHealth (Louisville, Ky.)
Mark Gilliam has served as CIO of ScionHealth since December 2025.
Community Health Systems (Franklin, Tenn.)
Patrice Bordron has served as chief digital and information officer of Community Health Systemssince 2024.
Advocate Health (Charlotte, N.C.)
Bobbie Byrne, MD, was appointed CIO of Advocate Health at the time of its formation in 2022. Prior, she was CIO of predecessor organizations Advocate Aurora Health and Advocate Health Care.
Christus Health (Irving, Texas)
Jonathan Manis was named president and CIO of Christus Health in 2019.
AdventHealth (Roseville, Calif.)
Jennifer Stemmler was named senior vice president and chief digital and information officer at Adventist Health in 2023.
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