MariaJoy (MJ) Cook
Mayo Clinic Hospital
Litchfield Park,Arizona
1
Certification
32
years of professional experience
Registered Nurse with 30+ years of pediatric, adult medical-surgical, intensive-care, and nursing-education experience. Experienced in clinical and didactic instruction, onboarding and mentoring new RNs, patient-care coordination, and frontline leadership. Known for clear communication, supportive coaching, and evidence-based patient care.
Work History
Clinical/didactic nursing Instructor
4 Years- Teach nursing students in classroom, skills-lab, hospital, and clinical settings; communicate course expectations and evaluation requirements.
- Instruct Holistic Nursing content and evaluate learning through assignments, examinations, clinical performance, and course objectives.
- Led medical-surgical and acute-care clinical experiences at Mayo Clinic Hospital, facilitating hands-on learning and application of nursing skills in a real-world environment.
Staff Nurse/ Relief Team Lead
10 Years 6 Months- Serve as relief team lead; guide less-experienced staff and support safe, efficient unit operations.
- Led as relief team lead; guided less-experienced staff and supported safe, efficient unit operations.
- Assist with orientation, onboarding, and clinical development of newly hired RNs and nursing graduates.
Adjunct Clinical Nursing Instructor
4 Years- Supervised adult and pediatric medical-surgical and acute-care clinical rotations, facilitating case-based discussions and tailoring teaching approaches to meet diverse learner needs.
- Additional Clinical Nursing Faculty Experience — Phoenix, AZ
- Creighton University School of Nursing | 2019–2023
- Brookline College | 2018–2020
- Creighton University School of Nursing | 2019–2023
- Brookline College | 2018–2020
Staff PICU RN/ Clinical Supervisor-Heme-Onc.
3 Years 1 Month- Delivered critical care to pediatric patients with complex medical needs, managing ECMO, mechanical ventilation, post-cardiac surgery recovery, and neurologic monitoring.
- Supervised 15 direct reports in 24-bed unit, ensuring high-quality patient care and team collaboration.
- Banner Cardon Children’s Hospital — Mesa, AZ
- Banner Cardon Children’s Hospital — Mesa, AZ
- Staff PICU RN / Clinical Supervisor, Hematology-Oncology | Feb 2013–Mar 2016
Clinical Supervisor
2 Years- Earlier Nursing Leadership & Critical Care Experience
- Dignity Health–St. Joseph’s Medical Center | 2011–2013
House Supervisor / Team Leader
2 Years- Earlier Nursing Leadership & Critical Care Experience
- Cancer Treatment Centers of America | 2009–2011
Staff RN, PICU
7 Years- Earlier Nursing Leadership & Critical Care Experience
- University of Chicago Comer Children’s Hospital | 2002–2009
Staff RN
5 Years- Earlier Nursing Leadership & Critical Care Experience
- Ingalls Hospital | 1995–2000
Education
M.S. - Nursing Leadership
B.S.N.
Diploma in Nursing
Skills
Arizona Registered Nurse
License #159933 | BLS/ACLS
2026–2028 | Lean Six Sigma | Sigma Theta Tau Nursing Honor Society
Patient education
Precepting new nurses
Pediatric & Adult Critical Care
Clinical nursing expertise
Patient/Family Education
Care Coordination
Team Leadership
Communication
Electronic health records
Multicultural sensitivity
Certification
Arizona Registered Nurse, License #159933, BLS/ACLS, 2026–2028, Lean Six Sigma, Sigma Theta Tau Nursing Honor Society
Timeline
Clinical/didactic nursing Instructor
Alverno College of nursing
09.2022 - CurrentRead More
Adjunct Clinical Nursing Instructor
01.2019 - 01.2023Read More
Staff Nurse/ Relief Team Lead
Mayo Clinic Hospital
03.2016 - CurrentRead More
Staff PICU RN/ Clinical Supervisor-Heme-Onc.
Banner Cardon Children's Hospital
02.2013 - 03.2016Read More
Clinical Supervisor
01.2011 - 01.2013Read More
House Supervisor / Team Leader
01.2009 - 01.2011Read More
Staff RN, PICU
01.2002 - 01.2009Read More
Staff RN
01.1995 - 01.2000Read More
Ravenswood Hospital Medical Center–Henry J. Kutsch School of Nursing
Diploma in Nursing
Read More
Indiana Wesleyan University
B.S.N.
Read More
Grand Canyon University
M.S. from Nursing Leadership
Read More