AONL Board of Directors
2026 Board of Directors
President
Ena M. Williams, PhD, RN, CENP, FAAN
Chief Nurse Executive
Yale New Haven Health System
New Haven, Conn.
President-Elect
Stuart Downs, DNP, RN, NEA-BC, FAONL
Senior Vice President and System Chief Nurse Executive
Northeast Georgia Health System
Gainesville, Ga.
Treasurer
Jacqueline Herd, DNP, MSN, NEA-BC, FAONL
Chief Nursing Officer
Providence St. Josephs Health
Renton, Wash.
Secretary
Claire M. Zangerle, DNP, RN, NEA-BC, FAONL
Chief Executive Officer
AONL
Chief Nurse Executive
American Hospital Association
Chicago
Region 1
Diane Regan, DNP, RN, NEA-BC
Associate Chief Nursing Officer, Inpatient Services
Tufts Medicine, Lowell General Hospital
Lowell, Mass.
Region 2
Helene M. Burns, DNP, RN, NEA-BC, FAONL
Chief Nurse & Operations Executive
AtlantiCare
Atlantic City, N.J.
Region 3
Tina Mammone, PhD, RN, NEA-BC, FACHE
Executive Director
AONL Foundation
Chicago
Region 4
Tera L. Gross, DNP, CENP, FACHE
Chief Nursing Officer
Mayo Clinic Florida
Jacksonville, Fla.
Region 5
Kimberly A. Landers, BSN, CENP, FAONL
Vice President and Chief Nurse Executive
Morris Hospital
Morris, Ill.
Region 6
Joel Moore, DNP, RN
Chief Nursing Officer
Davenport, Iowa
Region 7
Brennan D. Lewis, DNP, MSN, NEA-BC
Senior Vice President, Nursing Excellence, Innovation, & Patient Care
Children's Health
Dallas, Texas
Region 8
Anthony Watkins, MSN, RN, NE-BC
Clinical Manager
Children's Hospital Colorado
Aurora, Colo.
Region 9
Dale E. Beatty, DNP, MSN, NEA-BC, FAONL
Chief Nurse Executive and Senior Vice President
Stanford Medicine Health Care
Stanford, Calif.
At-Large
Rosanne Raso, DNP, RN, NEA-BC, FAONL
Editor-in-Chief, Nursing Management
Wolters Kluwer
Case Western University
Adjunct Professor
Appointed
Karen N. Drenkard, PhD, RN, NEA-BC, FAAN
President
Drenkard Healthcare Consulting
Fairfax, Va.
Appointed
Nicole Gruebling, DNP, RN, NEA-BC, FAONL
Vice President Member Networks
Vizient Inc.
Irving, Texas
Appointed
Marie Prothero, PhD, RN, FACHE
Assistant Professor
Brigham Young University
Provo, Utah
Appointed
Martha L. Grubaugh, PhD, RN, NE-BC, FAONL
Research Nurse Scientist
University of Colorado Health
Aurora, Colo.
Appointed
Dahlia Maldonado, MSN, BSN, MEDSURGE-BC
Nursing Practice Outcomes and Magnet Program Coordinator
University of California, Los Angeles (UCLA) Santa Monica Medical Center
Santa Monica, Calif.