Anna Sivo Montejano, DNP, RN, PHN, CEN, has over three decades of experience in emergency nursing and triage education. She has taught nursing theory and aided the professional development of nurses as a preceptor, mentor, and clinical instructor. She has been a certified emergency nurse for more than 30 years. Her ED contributions include work as a staff nurse, primary preceptor, and assistant nurse manager, as well as in educational development. Dr. Montejano has worked to improve the quality and efficiency of patient care through projects such as the change process of rapid medical screenings and rapid triage assessments; as a project manager for a major ED expansion; and as an advanced cardiac life support instructor. She authored Fast Facts for the Triage Nurse: An Orientation and Care Guide in a Nutshell, which won third place in the 2015 American Journal of Nursing Book of the Year awards in the critical care/emergency category, the Emergency Nursing Association, Media award in 2019, and the Assessment Technologies Institute (ATI) Nurse Educator of the Year. This book has since become available in the United Kingdom under the title Essentials for the Triage Nurse: An Orientation and Care Guide.

She has her Doctor of Nursing Practice degree from California State University, Northern Consortium (Fresno and San Jose State University), her Master's Degree in Nursing with a focus on education, and her Bachelor of Science degree.