Dr. Marsh has a strong background in pediatric health care, having worked as a pediatric nurse practitioner and having extensive experience in hematology/oncology and endocrinology at Valley Children's Healthcare. She currently serves as the co-chief nurse practitioner at Valley Children's, highlighting her leadership in the field. In addition, she is an associate professor at National University. She holds several board positions in the San Joaquin chapter of professional organizations, including serving as president and legislative chair. She has also participated in Capitol Hill Day, advocating for key health care issues. Outside of work, Dr. Marsh enjoys traveling, skiing, and spending time with her two children and two Australian shepherds.