Complex sentence: This led Smith to become involved with the Memphis Branch of the National Association for the Advancement of Colored People (NAACP), of which Smith was named Executive Secretary in 1962, and where she remained until her retirement in 1995.
Split into simpler sentences: This led Smith to become involved with the Memphis Branch of the National Association for the Advancement of Colored People (NAACP). In 1962, Smith was named Executive Secretary of the branch, and continued in that role until her retirement in 1995.