Leon Hirsch Keyserling (January 11, 1908 – August 9, 1987)[1] was an American economist and lawyer who served as chairman of the Council of Economic Advisers from 1950 to 1953.

During his tenure, he advised President Harry S. Truman on the economic issues and helped draft major pieces of Fair Deal legislation.

[1] In 1933 Keyserling became an attorney for the newly constituted Agricultural Adjustment Administration,[1] a New Deal agency that distributed subsidies to reduce crop area.

In 1952 Keyserling and his wife were attacked by Joseph McCarthy as part of the Second Red Scare as "belonging to Communist front groups.

[7] He also introduced the reporting of the Gross National Product in real as well as nominal dollars [8] Following his time advising President Truman, Keyserling consulted with Congress on a variety of economic issues and also practiced law.