Board of Directors
St. Mary’s Hospital
Lea Marquez-Peterson
Chairman of the Board
Commissioner, Arizona Corporation Commission
Michael Duperret, MD
Vice Chairman
Physician
Manuel Valenzuela
Superintendent, Sahuarita Unified School District
Marcel Dabdoub
Dabdoub Enterprises
Thomas Plantz
Diocese of Tucson
Frank Molinaro
Arizona Group CEO
Nathaniel Rial, MD
Chief of Staff
Physician
Andrea Herbert, MD
Chief of Staff Elect
Physician
St. Joseph's Hospital
Lea Marquez-Peterson
Chairman of the Board
Commissioner, Arizona Corporation Commission
George Bradbury III, MD
Physician
Patrick DeConcini
Managing Partner, 4-D Properties, LLP
Paulo Goes
Dean, University of Arizona Eller College
Thomas Plantz
Diocese of Tucson
Frank Molinaro
Arizona Group CEO
Joseph Chambers, MD
Chief of Staff
Physician
Nicholas Bastiampillai, DO
Chief of Staff Elect
Physician
Holy Cross Hospital
Debra Knapheide, CEO/CNO/COO
Tanya Henry, MD, COS
James Phillip Williams, MD, COSE
Father Francisco Maldonado
Alfredo Guevara, MD
Mark Valenzuela
Board Chair
William Stout
Board Vice-Chair
James B. Manson