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| 1980 - 1981 Joseph A. Silvoso | 1981 - 1982 Thomas R. Dyckman | 1982 - 1983 Yuji Ijiri | 1983 - 1984 Harold Q. Langenderfer | |||
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| 1984 - 1985 Doyle Z. Williams | 1985 - 1986 Stephen A. Zeff | 1986 - 1987 Ray M. Sommerfield | 1987 - 1988 William H. Beaver | |||
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| 1988 - 1989 Gerhard G. Mueller | 1989 - 1990 John Simmons |