Resident Faculty

Mary Wickman 2011

MARY WICKMAN, B.S.N., Ph.D.

Director and Professor of Nursing

  • B.S. in Nursing, Mount St. Mary’s College
  • Ph.D. in Nursing

Mary Wickman has extensive background and experience in nursing education, both administratively and as a faculty member. Wickman comes to Vanguard from California State University, Fullerton where she developed and directed the prelicensure nursing programs. She also served as chair of the nursing department at Mount St. Mary’s College, and was faculty and directed the RN program at Santa Ana College for 15 years. Her research interests and areas of expertise include nursing education, adolescent risk behaviors, substance abuse treatment, and managed care. Wickman served for 21 years in the Navy Reserve Nurse Corps and is a retired Captain.

Email: mary.wickman@vanguard.edu

COLETTE YORK, B.S.N., M.S.N., D.N.Sc.

Assistant Director, MSN Coordinator, Professor of Nursing

  • B.S. in Nursing, University of San Diego
  • M.S. in Nursing, University of San Diego
  • Doctor of Nursing Science, University of San Diego

Colette York has broad, extensive experience in nursing, nursing education, and nursing curriculum design. She worked for 30 years in ambulatory, surgical, and post-partum nursing. She has served in full-time nursing faculty nursing roles, including time at CSU Bakersfield and Clarkson College in Omaha, Nebraska.

Email: colette.york@vanguard.edu

Julie20Wilson-11-0005-1

JULIA WILSON, DNP, RN, FNP-BC

Associate Professor of Nursing

  • Doctorate of Nursing Practice, Southern California CSU DNP Consortium
  • B.S. in Nursing, California State University Fullerton
  • M.S. in Nursing, California State University Long Beach
  • Board Certified Family Nurse Practitioner

Julia Wilson has an extensive background in nursing and has been in practice in Irvine as a nurse practitioner since 1997.  She has worked for over 30 years as a registered nurse at Hoag Hospital in the areas of cardiology, maternal child health, and medical surgical nursing areas.  She has been a full-time faculty member at Vanguard since 2008, and previously taught at Golden West College for over six years.

Email: julia.wilson@vanguard.edu

Amanda

AMANDA FIRESTONE, MSN, RN, CNS

Assistant Professor of Nursing

  • B.S. in Nursing, Sonoma State University
  • M.S. in Nursing, Point Loma Nazarene University
  • CNS, Point Loma Nazarene University

Amanda Firestone brings many years of clinical nursing experience as well as a passion for nursing education.  Amanda has 13 years of nursing experience in the following fields:  Telemetry, Emergency, Critical Care Transport, and Cardiopulmonary Rehabilitation.  Amanda has taught in Pre-licensure, RN-BSN, and Graduate Nursing Programs.  Amanda’s passion is bringing creativity into the classroom and providing a safe and fun atmosphere to learn together. 

Email: amanda.firestone@vanguard.edu

 Brigid

MARY “BRIGID” BARRETT, MSN, RN

Associate Professor of Nursing

  • B.S. in Nursing, University of San Francisco
  • M.S. in Nursing, California State University Sacramento

Brigid Barrett has an extensive background in nursing and has held positions as a staff nurse, nursing instructor, and nurse educator.  Her fields of interest are integrative health care, resiliency/self-care in health care workers, and wellness nurse coaching.  Ms. Barrett teaches primarily in the MSN program and brings a wealth of administrative knowledge and experience to the classroom and to her students.

Email: brigid.barrett@vanguard.edu

HLedesma headshot

HERNANI L. LEDESMA, JR., MHA, EdD, DNP(c), PTA, RN-BC

Associate Professor of Nursing

  • A. A. in Nursing, Mount St. Mary’s College
  • B. S. in Economics, California State Polytechnic University at Pomona
  • M. H. in Administration, National University
  • M. S. in Nursing, Mount St. Mary’s College
  • Doctor of Education, Pepperdine University
  • Doctor of Nursing Practice(c), Western University of Health Sciences
  • ANCC Board Certified-Nursing Professional Development

    Hernani L. Ledesma Jr. comes to Vanguard with previous training as a Physical Therapy Assistant and Nursing Home Administrator.  As a Registered Nurse, he has experience in emergency medicine and the neonatal intensive care unit with knowledge as a hospital educator, clinical risk manager, and nursing informatics.  His research interests are adult learning, emotional intelligence, knowledge management, student success as well as qualitative and quantitative research methods.  In Hernani’s spare time, he volunteers as a Camp Nurse serving children and adults with disabilities at ReCreation Camp in Orange County.

    Email:  hernani.ledesma@vanguard.edu