- 1971[subject unknown]Corporation Member
 - 1972[subject unknown]Corporation Member
 - 1976[subject unknown]Corporation Member
 - 1977[subject unknown]Corporation Member
 - 1978[subject unknown]Corporation Member
 - 1979[subject unknown]Corporation Member
 - 1980[subject unknown]Corporation Member
 - 1981[subject unknown]Corporation Member
 - 1982[subject unknown]Corporation Member