Erin Jaynes, MSN, RN serves as Cook County Health’s Interim Chief Nursing Executive, overseeing nursing practice across hospitals, correctional health, ambulatory care, public health, and the Medicaid managed care plan CountyCare. In this role, she is evaluating the nursing organizational structure to ensure the system is optimally supporting frontline nurses and advancing high‑quality patient care.

A nationally recognized transformational nursing executive, Erin is known for driving clinical excellence, operational performance, and system‑level healthcare strategy. Her career spans Chief Nurse Executive roles, senior consulting leadership, and advisory positions across major health systems, giving her a unique blend of frontline nursing insight and enterprise‑wide strategic vision.

Erin has led large‑scale operational redesign, strengthened nursing governance, and built high‑performing leadership teams that elevate quality, safety, and patient experience. She partners with executive leaders to modernize care delivery, optimize workforce models, and position organizations for long‑term sustainability in a rapidly evolving healthcare environment.