PROFESSIONAL EXPERIENCE:
| 1961-1968 | Astronomer, University of Padua | |
| 1964-1967 | Astronomer, University of Padua and Lick Observatory, University of California - Italian fellowship and later NSF supported via a grant to Dr. M.F. Walker for the development of the Lallemand Electrographic camera and observations with the Lick 120" ( the University of California accepted as equivalent of the US PhD because of more than 3yrs research work, inquiry by Dr. Whitford, Director) | |
| 1967-1968 | Military Service, Nuclear, Biological and Chemical | |
| 1969-1972 | Research Associate, NASA J.S.C., Houston, Texas, and Wesleyan University, Connecticut | |
| 1972-1974 | Research Associate V, staff of Mc Donald Observatory, Austin, Texas( recognized by the Italian Embassy, and following statement by Dr. H. Smith Director, equivalent to Astronomo Straordinario) | |
| 1975 | Visiting Assistant Professor, University of Oklahoma | |
| Jan-1976 | Chair of Theoretical Astrophysics, University of Naples | |
| 1976 | Chair of Astronomy, University of Bologna | |
| 1976-1977 | Visiting Associate Professor, University of Oklahoma | |
| 1977-1979 | Associate Professor, University of Oklahoma | |
| 1979-1985 | Professor, University of Oklahoma (Tenure) | |
| 1976-1985 | ESO Associate - 1983-1985 - Sabbatical | |
| 1985-present | Chair of Astronomy, University of Milano | |
| 1985-2001 | Director Astronomical Observatory of Brera - Member Consiglio delle Ricerche Astronomiche - CRA - (untill 1994) - CRA was the advisory Board fro Astronomy of the Minister of Research and Education | |
| 2001-present | Astronomer Emeritus - Astronomical Observatory of Brera - Member Comitato Italiano - till ESO - Member Observing Programme Committee (OPC) ESO for Italy - till 1996 - Member Steering Committee of Jet-X Chairman - P.I. WAXS/WFXT - Phase A proposal - Italian P.I. Nasa Midex Mission SWIFT - Project Scientist REM (Robotic Telescope) - P.I. of the proposal for funding , COFIN - Chairman PhD Program at the University of Milano, and later Milano-Bicocca | |
| 2014-present | Adjunct Professor - Penn State University - State College - USA |