1997 - Present	Consulting Metallurgical Engineer P.B. Queneau & Associates, Inc.
1990 - Present	Adunct Professor Colorado School of Mines
1983 - 1997	Principal Metallurgical Engineer Hazen Research, Inc.
1982 - 1983	President/Owner P. B. Queneau Company, Inc.
1972 - 1982	R&D Supervisor AMAX, Inc.
1967 - 1972	Research Engineer Kennecott Copper Corporation