1. Civ. Engr., Sani S.A., Thessaloniki, Greece
2. Lect. in Civ. Engrg., Queen Mary Coll., Univ. of London, Mile End Rd., London El 4N5, England; also Dir. of Queen Mary Coll. Anchor Tech. Limited, London, England
3. Sr. Leet. in Civ. Engrg., Queen Mary Coll., Univ. of London, Mile End Rd., London El 4N5, England; also Dir. of Queen Mary Coll. Anchor Tech. Limited, London, England