Betsy Humphreys

Betsy L. Humphreys (born April 26, 1947) is an American medical librarian and health informatician known for leading the cross-institutional efforts to establish biomedical terminology standards such as SNOMED CT and the Unified Medical Language System. She was the deputy director of the National Library of Medicine from 2005 until her retirement in 2017, serving as acting director from 2015 to 2016.