Alexander Hannenberg

Senior Research Scientist

Dr. Hannenberg works on surgical safety programs including checklists for critical event management and a simulation-based, low resource teamwork training project.

Lorie Hassel-Chuang

Unit Educator

Lorie is driven by her passion for educating others along with her devotion to lifelong learning.

Louie Ang

Clinical Nurse V - Perioperative Nurse Educator

Louie has experience in many different organizations and is a vital part of any team.

Rebecca Roe


A seasoned nurse with over 40 years of experience and a natural leader.

Marc Anthony Esteban

NPD Practitioner

Marc Anthony has been a practicing perioperative nurse for 15 years.

Ebony Mitchell-Wallace

RN Surgery Scheduling Coordinator/RN IV

Mrs. Mitchell-Wallace believes that nursing is a co-dependent, diversified, and emerging profession that affords individuals with opportunities to autonomously provide safe and effective care in nurturing environments.

Jennifer Parrott

OR/SPD Manager

Experience OR nurse.

Melissa Nosik

Chief Executive Officer

Dr. Nosik has 25 years of experience practicing and overseeing organizations in healthcare.

Kristy Wheeler

Infection Preventionist, Cardiac Surgery

Kristy is an expert perioperative nurse with a commitment to excellence in patient care, familiar with both community and academic settings.

John Kimsey

VP of Processing Optimization and Customer Success

Mr. Kimsey takes a holistic approach to understanding and addressing the issues facing today’s Sterile Processing and perioperative environments.

Felix Rivera


Felix Rivera is an exceptionally involved leader and a lifetime member of AORN.

Debra Callender

Administrative Director of Surgical and Orthopedic Services

Ms. Callender is passionate about mentoring others, facilitating growth and development to inspire all who she encounters.

Bruno Teixeira

PhD Student and Researcher

Bruno Teixeira focuses on promoting networking between Portuguese perioperative nursing and AORN in the preparation and dissemination of scientific events and creation of partnerships.

Erica Smith

Surgical Solution Manager

Mrs. Smith believes that by helping health care professionals improve their infection prevention processes, communities will ultimately receive the best care.

Farrah Barnes

Perioperative/Cardiovascular Educator

Farrah Barnes is a born educator who covers ten departments at SSM Health.

Hank Balch

Founder & President of Beyond Clean

As the Founder and President of Beyond Clean, Hank Balch embarked on his career in instrument reprocessing as a frontline technician.

Elizabeth Williams

Perioperative Clinical Operations Nurse Manager

With a diverse background including roles as a staff nurse, RNFA, and board charge nurse, Williams currently serves as a clinical operations nurse manager.

Jacqueline Gardocki

Nurse Manager

Holding dual master’s degrees (MBA and MSN) from Grand Canyon University, Gardocki is dedicated to the growth and success of her department and organization.

Lisa Heard

Director, Hospital Quality and Clinical Compliance

Heard collaborates with hospital quality leads, assessing patient safety needs and implementing risk mitigation recommendations.

Josh Wymer

Chief Health Information and Data Strategy Officer

With extensive experience in health information roles, Dr. Wymer has a background in perioperative nursing and leadership.

Page 1 of 6