- Rector, National Technical University of Athens (N.T.U.A.)
- Dean, Civil Engineering Department N.T.U.A.
- Professor N.T.U.A.
- Director, Laboratory of Harbour Works, N.T.U.A.
- Chairman, Technological Park of Lavrion
- Chairman, Governing Committee, University of West Attica
- Secretary General of Harbours, Ministry of Merantile Marine
- Chairman, Regulatory Authority of Harbours