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