Dorothy Alanna Fink is an American endocrinologist and government official who served as the acting United States secretary of health and human services from January 20, 2025 until February 13, 2025.

[2] She received several awards as a student at Georgetown, including one for outstanding undergraduate research in chemistry, and she was also a USA Today Academic All-American.

She then completed a National Institutes of Health post-doctoral fellowship in endocrinology and metabolism at the Columbia University College of Physicians and Surgeons in New York.

[2] Fink is board certified in endocrinology, internal medicine, and pediatrics, and is recognized as a physician leader on topics such as diabetes, nutrition, and bone health.

[2] On January 20, 2025, Fink was named by President Trump as the acting United States Secretary of Health and Human Services, as his nominee for the position, Robert F. Kennedy Jr., had not yet been approved by the Senate.