
Tammy Zaworski, DNP, RN, APRN, CPNP-PC/AC, Advance Practice Manager, Critical Care Medicine
Staff Since: 7/7/97
Undergraduate: Clayton State College and University
Graduate: Georgia State University, Emory University
Undergraduate: Clayton State College and University
Graduate: Georgia State University, Emory University
Other Training: RN PICU and ER CHOA Egleston, RN CHOA Transport and Flight, ECMO Specialist, EMT-I, PFCCS
Professional Affiliations: NAPNAP, SCCM, Emory University adjunct clinical instructor
Interests: Advance Practice Provider education and role development. Implementation of critical care clinical intensive and post graduate fellowships in the PICU.
Interests: Advance Practice Provider education and role development. Implementation of critical care clinical intensive and post graduate fellowships in the PICU.

Kim Kolleda, MSN, RN, APRN, CPNP-AC Nurse Practitioner, Critical Care Medicine
Staff Since: 6/1/2009
Undergraduate: Kennesaw State University
Graduate: University of Alabama at Birmingham
Other Training: RN PICU CHOA Egleston, ECMO specialist, PFCCS, CCRN, TNCC Professional
Affiliations: NAPNAP
Interests: Sedation and delirium in the PICU, sepsis, trauma, and early mobility in ECMO patients

Sarah Becher, MSN, RN, APRN, CPNP-PC Nurse Practitioner, Critical Care Medicine
Staff Since: 10/30/2017
Undergraduate: Anderson University
Graduate: University of South Florida
Other Training: RN PICU St. Joseph’s Tampa, PFCCS Professional Affiliations: NAPNAP
Interests: TBI, trauma, post ROSC management

Ryan Winter, MMSc, RRT-NPS, PA-C, Physician Assistant, Critical Care Medicine
Staff Since: 7/19/2021
Undergraduate: Georgia State University
Graduate: Emory University
Professional Affiliations: American Academy of Physician Assistants, Georgia Association of Physician Assistants, Society of Critical Care Medicine
Other Training: RT Atlanta Medical Center NICU, Adult ICU. Flight RT: International and domestic fixed wing transport. RRT Neonatal & Pediatric Specialist.
Interest: Advanced ventilator management, ECMO, Transport of critically ill pediatric patients.
Graduate: Emory University
Professional Affiliations: American Academy of Physician Assistants, Georgia Association of Physician Assistants, Society of Critical Care Medicine
Other Training: RT Atlanta Medical Center NICU, Adult ICU. Flight RT: International and domestic fixed wing transport. RRT Neonatal & Pediatric Specialist.
Interest: Advanced ventilator management, ECMO, Transport of critically ill pediatric patients.

Katelyn Warner, DNP, RN, APRN, CPNP-AC, Critical Care Medicine
Staff Since: 10/11/2021
Undergraduate: University of Iowa
Graduate: Rush University
Professional Affiliations: Society of Critical Care Medicine, National Association of Pediatric Nurse Practitioners
Other Training: RN PICU and CDH Center - Johns Hopkins All Children’s Hospital; RN Emergency Department- CHOA Egleston; PFCCS; CCRN; TNCC
Interest: Trauma/TBI, Role of Palliative Care in the PICU, Early Mobilization for Children Requiring Advanced Therapies, Post-ROSC Management

Kelly McGowan, MSN, RN, APRN, CPNP-AC, Critical Care Medicine
Staff Since: 5/13/2019
Undergraduate: James Madison University
Graduate: University of Alabama at Birmingham
Professional Affiliations: National Association of Pediatric Nurse Practitioners, American Association of Critical Care Nurses, Hospice & Palliative Nurses Association
Other Training: RN PCICU Duke Children’s Hospital, RN CICU CHOA Egleston
Interests: Palliative Care involvement in the ICU and code prevention education

Bria K. Frehner, PA-C, Critical Care Medicine
Staff Since: 3/20/2023
Undergraduate: University of New Hampshire
Graduate: Emory University
Professional Affiliations: American Academy of Physician Assistants, Georgia Association of Physician Assistants
Other Training: LNA and Emergency Medicine Technician, POCUS training in emergency medicine, trauma, and critical care medicine
Interest: Use of POCUS in pediatric and critical care settings, ECMO, and pediatric trauma

Cobi Klein, MSN, RN, APRN, CPNP-AC, Critical Care Medicine
Staff Since: 4/2/2023
Undergraduate: Georgia Southern University, Chamberlain University
Graduate: University of Alabama at Birmingham
Professional Affiliations: National Association of Pediatric Nurse Practitioners
Other Training: Emergency Room RN at CHOA Egleston, TNCC, ENPC
Other Training: Emergency Room RN at CHOA Egleston, TNCC, ENPC
Interests: Trauma, Early recognition and intervention with Sepsis, Acute asthma exacerbations leading to PICU admissions

Rebecca Ogrin, MSN, RN, APRN, CPNP-AC, Critical Care Medicine
Staff Since: 4/17/2023
Undergraduate: University of Colorado, LaGrange College
Graduate: Emory University
Other Training: RN Emergency Department CHOA Egleston, RN CHOA Transport Ground and Flight, EMT-B, PFCCS
Professional Affiliations: SCCM.
Interests: Palliative care and APP role development in the PICU. Role of bioethics in acute care. Fostering and improving team dynamics in high stress environments.

Jessica Nooriel, DNP, RN, APRN, CPNP-AC, Critical Care Medicine
Staff Since: 6/26/2023
Undergraduate: Emory University
Graduate: Emory University
Other Training: RN at National Institutes of Health (NIH) Clinical Center Pediatrics; CPN
Professional Affiliations: Society of Critical Care Medicine, National Association of Pediatric Nurse Practitioners, Orthodox Jewish Nurses Association
Interests: Critical care oncology, bone marrow transplant, graduate nursing education

Briana Parker, PA-C, Critical Care Medicine
Staff Since: 7/10/2023
Undergraduate: The University of Tampa
Graduate: MGH Institute of Health Professions
Other Training: Otolaryngology Head & Neck Surgery PA, Urgent Care PA, Medications for Addiction Treatment (MAT) certified, NICU and pediatric ED training, water safety and drowning hazards certification.
Interests: Pediatric airway management, congenital heart disease, APP advocacy