He became president and chief operating officer three years ago.
He had been president and chief operating officer since 1987.
He became president and chief operating officer a year ago.
He was named president and chief operating officer in 1985.
He was president and chief operating officer in the late 1990's.
He was elected president and chief operating officer in 1991.
He was president and chief operating officer from 1969 to 1971.
In 1974, he was elected president and chief operating officer of the company.
He previously served as president and chief operating officer of the Company from 2003 to 2004.
He has been president and chief operating officer since 1986.