Public Health – Seattle & King County is delighted to welcome Dr. Sandra J. Valenciano, a public health leader with both local and national experience in improving community health, as King County’s new Health Officer. Public Health Director Dr. Faisal Khan appointed Dr. Valenciano to serve as the department’s primary medical expert, provide leadership on scientific and medical matters that shape department policy and practice, and foster strong relationships with the healthcare community.
Dr. Valenciano comes from DeKalb Public Health in metro Atlanta, Georgia, where she most recently served as District Health Director and CEO, managing public health services for over 780,000 residents in a diverse community where over 130 languages are spoken. While at DeKalb Public Health, she led the development of a five-year strategic plan and strengthened community engagement through partnerships with public and community-based organizations.
“Dr. Valenciano brings expertise and a strong commitment to community, building on our department’s nationally recognized work. I look forward to her contributions to making King County a place where every person can thrive.” – Shannon Braddock, King County Executive
At the Centers for Disease Control and Prevention, Dr. Valenciano served as an officer in the distinguished Epidemic Intelligence Service (EIS), in the Respiratory Diseases Branch within the National Center for Immunization and Respiratory Diseases. She led domestic outbreak responses, evaluated national infectious disease surveillance systems, analyzed global immunization data, and collaborated with both domestic and international partners.
“Dr. Valenciano is an exceptional addition to our community. Her passion for public health, addressing health disparities, and advocating for underserved populations has been a mainstay throughout her career, and mirrors our key priorities as a health department. – Dr. Faisal Khan, Director, Public Health – Seattle & King County
“I am deeply honored to be appointed as Health Officer and to join a remarkable team at Public Health – Seattle & King County,” said Dr. Valenciano. “I am thrilled about the opportunity to advance the great work of the department and to ensure racial and health equity for all residents.”
Dr. Valenciano is a board-certified physician (MD) in internal medicine and holds a Master in Public Health. Dr. Alice Tin will remain as interim Health Officer until Dr. Valenciano joins the department on August 4, 2025.
Originally posted on May 22, 2025.