1988
President AOS
1981-1988
Director for Research MICOM
1985
Special Assistant to DCG AMC
1982
Assistant Director of Army Research (acting) DA
1977-1981
Director of Physical Sciences MICOM
1975-1977
Chief, Quantum Electronics MICOM
1974-1975
Director of Aeroballistics (acting) MICOM
1973-1974
Acting Chief, Quantum Electronics MICOM
1972-1973
Sloan Fellow MIT
1968-1972
Team Leader, Solid State Physics MICOM
1965-1968
Research Physicist, Solid State MICOM
1960-1965
Graduate Student Carnegie Tech
1961
Physicist NASA
1958-1960
Army Officer, Ordnance