He led the department of economics as a Head until his retirement in 1975.

He led the laboratory from 1929 until his retirement in 1932.

He led the company until his retirement in 1986.

Mr. Begin founded the party in 1948 and led it until his retirement.

He led the institute until his retirement in 1970.

Cal Jr. led the company until his retirement in 2002.

Schwartz went on to lead Catalyst as its president for 30 years until her retirement in 1993.

He continued to lead this department until his retirement at the age of 65 in 1932.

Henegar led the enterprise until his retirement in the early 1980s.

Powell led the congregation from 1961 until his retirement in 1997.