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, CT
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, WA
Secretary
Claire M. Zangerle, DNP, RN, FAONL, FAAN
Chief Executive Officer
AONL
Chief Nurse Executive
American Hospital Association
Chicago, IL
Region 1
Diane Regan, DNP, RN, NEA-BC
Associate Chief Nursing Officer, Inpatient Services
Tufts Medicine, Lowell General Hospital
Lowell, MA
Region 2
Helene M. Burns, DNP, RN, NEA-BC, FAONL
Chief Nurse & Operations Executive
AtlantiCare
Atlantic City, NJ
Region 3
Tina Mammone, PhD, RN, NEA-BC, FACHE
Executive Director
AONL Foundation
Chicago, IL
Region 4
Tera L. Gross, DNP, RN, CENP, FACHE
Chief Nursing Officer
Mayo Clinic Florida
Jacksonville, FL
Region 5
Kimberly A. Landers, MS, RN, CENP, FAONL
Vice President and Chief Nurse Executive
Morris Hospital
Morris, IL
Region 6
Joel Moore, DNP, RN
Chief Nursing Officer
Davenport, IA
Region 7
Brennan D. Lewis, DNP, APRN, NEA-BC
Senior Vice President, Nursing Excellence, Innovation, & Patient Care
Children's Health
Dallas, TX
Region 8
Anthony Watkins, MSN, RN, NE-BC
Clinical Manager
Children's Hospital Colorado
Aurora, CO
Region 9
Dale E. Beatty, DNP, MSN, NEA-BC, FAONL
Chief Nurse Executive and Senior Vice President
Stanford Medicine Health Care
Stanford, CA
At-Large
Rosanne Raso, DNP, RN, NEA-BC, FAONL
Editor-in-Chief, Nursing Management
Wolters Kluwer
Case Western University
Adjunct Professor
Staten Island, NY
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, TX
Appointed
Marie Prothero, PhD, RN, FACHE
Assistant Professor
Brigham Young University
Provo, UT
Appointed
Martha L. Grubaugh, PhD, RN, NE-BC, FAONL
Research Nurse Scientist
University of Colorado Health
Aurora, CO
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, CA