| 2000-to date |
Faculty member of School of Rural and Surveying Engineering, National Technical University of Athens, Greece
(Associate Professor, since 2009). |
| 2013 |
Evaluation Committee Member, Research Programme in Basic Research, Aristotle University of Thessaloniki. |
| 2012 | Evaluation Committee Member, for the '2013 Discoveries Grant Competition' of the
Natural Sciences and Engineering Research Council (NSERC) of Canada. |
| 2012-13 | Member of the following Committees of the School of Rural and Surveying Engineering or/and
the National Technical University of Athens (NTUA).
|
| 2011-12 | Visiting professor in the Technological University of Cyprus, responsible for the 3rd year courses
'Satellite Geodesy' and 'Geodesy IV', Department of Civil Engineering and Geomatics. |
| 2009 | Member of the Scientific Arbitration Committee of the Technical Chamber of Greece on the Professional Rights of
Urban-Regional Planning and Development Engineers. |
| 2006-2007 |
Member of the Expert Committee formed by the Hellenic Mapping and Cadastre Organization,
KTIMATOLOGIO S.A. and the Hellenic Technical Chamber in order to evaluate the international bids and select the
contractor(s) to provide complete network set up, deployment and operation during the initial start-up period for the
nationwide GNSS infrastructure network HEPOS (Hellenic Positioning System). The project was
commissioned and co-financed by the European Union and the Greek State within the framework of the Greek
Program “Information and Technology Infrastructure for a Modern Cadastre”. Member of the Expert Committee formed by the Hellenic Mapping and Cadastre Organization, KTIMATOLOGIO S.A. and the Hellenic Technical Chamber in order to evaluate the international bids and select the contractor(s) for four major projects to deliver a significant quantity of Large Scale (LSO) and Very Large Scale (VLSO) fully orthorectified imagery and Digital Surface Models (DSM) covering the entire Greek Territory and all major to mid-size Greek urban areas. The projects was commissioned and co-financed by the European Union and the Greek State within the framework of the Greek Program “Information and Technology Infrastructure for a Modern Cadastre”. |
| 1998-1999 |
Member of the team of international technical and information management specialists of the
Consortium of three companies, SAGRIC from Australia, CARL BRO from Denmark and EURODYNAMICS from Greece,
which provided consulting services for the Hellenic Cadastre Project funded by the EU 3rd Framework Programme. Served as
Head, Quality Assurance and Control Section of KTIMATOLOGIO, S.A. |
| 1995 - 2000 |
Special advisor and research consultant to various surveying engineering firms on matters pertainging to satellite geodesy
systems and solutions, fusion of satellite and geodetic data in geoinformatics applications, RTK and VRS techniques etc.
|
| 1994 |
Scientific Coordinator for a Continuing Education Course "on Concepts and Practices of the Global Positioning System (GPS)",
funded by the European Union (Cooperation between Universities/Technological Institutes/Industry - Action 2) and organized by Technological Institutes of Athens.
Scientific Coordinator for a Continuing Education Course "Feasible Actions of the use of the Global Positioning System (GPS) in environmental studies: Pilot Project for Pentelikon Mountain", funded by the European Union (Cooperation between Universities/Technological Institutes/Industry - Action 2) and organized by Technological Institutes of Athens and the Regional Association for the Protection of Pentelikon. |
| 1993 |
Convener and President of the Organizing Committee for two scientific symposia on: "Application
of Satellite Remote Sensing for Agricultural Development, Mapping, Land Use/Land Cover and Geology"
and "Application of Satellite Remote Sensing for Disaster Monitoring, Deforestation, Coastal Change and
Mongrove", sponsored by the United Nations and the Indonesian Space Committee and focussing on the use of
space technologiesfor sustainable development (Bandung, Indonesia, May 17-21). |
| 1991-1993 |
Member of the Oversight Committee of the International Association of Geodesy (IAG) for the
organization of the International GPS Service for Geodynamics (IGS), later transitioned into the
current International GNSS Service. |
| 1991-1992 |
Acting Assistant Director and Head, Applications, Research and Technology Section, Canada Centre for
Cartography, Department of Energy, Mines and Resources Canada. Acquired general and managerial work experience in
conducting research and development in geodetic applications in dynamic cartography, developing research and
application software for the application of satellite technologies to cartography, as well as developing and
maintaining liaison with University, Industry and National and International Research Centres Member of the Scientific Committee for the International Symposium "Global Positioning Systems in Geosciences", Chania, Crete, May 1992. |
| 1990-1994 |
1990-1994 Founding member and Technical Director of TRILOGY Spacetech Inc., a Geoinformatics Reseach Company in Ottawa, Ontario, Canada.
Technical Advisor and Research Associate for the companies:
|
| 1990-1991 |
Member of the Ministerial Task Force on Research and Development, Department of Energy,
Mines and Resources Canada, Surveying, Mapping and Remote Sensing Sector (SMRS).
|
| 1990-1992 |
Co-investigator, Canadian Interdisciplinary Team for NASA's Earth Observing
System (Eos) Project on the “Use of a Cryospheric System (CRYSYS) to Monitor Global Change in Canada”. |
| 1990 |
Chairman of the Scientific Committee for the organization of the 1st International GPS Conference, Ottawa, Ontario, Canada, 3-7 September. |
| 1986-1988 |
Senior Research Associate for NASA at Goddart Space Flight Center (GSFC), Greenbelt, Maryland, USA.
Worked as member of a team of NASA specialists conducted sponsored research by the U.S. National
Academy of Sciences on the theoretical advances, development and implementation of continuously
operating automated GPS stations for geodesy and geodynamics. Was involved in various research
projects related to GPS modelling of propagation and orbital errors, automated data acquisition and
data processing studies. |
| 1989-1991 |
1989-1991 Member of the International Association of Geodesy and Geophysics (IUGG)
and the International Association of Geodesy (IΑG) Planning and Oversight Committee for the organization of the
1992 Epoch Campaign to demonstrate the potential of an international service based on the GPS. |
| 1987-1991 |
President, International Association of Geodesy Special Study Group 4.117 on "Optimization of Modern Positioning Techniques". |
|
|
Member, International Association of Geodesy Special Study Group 2.106 on "Determination of satellite orbits to cm-accuracy".
|
| 1985-1987 |
Member of the University Grants Selection Committee of the National Sciences and Engineering Research Council of Canada (NSERC). |
| 1984-1987 |
Member, International Association of Geodesy Special Study Group 1.76 on Positioning with the Global Positioning System. |
| 1984-1988 |
Member of the Radio Technical Commission for Maritime Services (RTCM),
Special Committee 104 for the Standards of the Differential NAVSTAR/GPS Service (DGPS). |
| 1983-1986 & 1988-1990 |
Head, Satellite Applications Section, Canada Centre for Surveying, Department of Energy, Mines and
Resources Canada with main responsibilities focussing on the design and coordination of the development of a
GPS-based automated geodetic control system (Active Control System) for precise surveys, geodynamics
applications and navigation. Principal Technical Manager for the development work on the use of satellite
altimetry data from the Geodetic Satellite (GEOSAT) for deriving global and regional models of the oceanic
geoid; responsible for the definition of national geodetic and geodynamic satellite altimetry requirements for the
Canadian participation in the Earth Observing System programme of the European Space Agency.
Conducted various research projects including orbit tracking data studies and the use of modern space
geodetic technologies such as GPS, TOPEX and ERS-1 altimetry. Provided advice to the Canadian
Centre for Surveying, and external organizations; planning, organizing and controlling the execution of
special projects related to EMR's participation in various satellite missions of NASA, the European
Space Agency etc.; initiating, defining terms and objectives and monitoring as Scientific Authority
various research contracts with Universities and Industry; supervise and manage research and
support teams responsible for the satellite applications related operations of the Geodetic
Division of the Canadian Centre for Surveying. |
| 1981-1982 |
Member, Oceans Study Group (Sub-committee of the Oceanography Working
Group of the Canadian Advisory Committee for Remote Sensing) for the Canadian RADARSAT Program. |
| 1980-1996 |
Supervisor and/or Examining Committee Member for several post-graduate Theses and Dissertations in the following academic institutions:
|
| 1976-1980 |
Research Assistant while studying for the Ph.D. degree in the Department of Surveying Engineering,
University of New Brunswick, Canada. Participated in various research geodetic projects for the Canadian Provincial and
Federal Mapping-related Agencies. Was involved in investigations of methods for deriving geophysical and geodetic information
from satellite altimetry; development of software to process Doppler and satellite altimetry data; application of
frequency domain methods, gridding techniques, application of crossover analysis techniques, modelling and
removal of mesoscale/transient dynamic effects of the sea surface as applied to the analysis of SEASAT altimetry data. |
| Since 1980 |
Reviewer for the following scientific journals: Bulletin Geodesique Manuscripta Geodetica Canadian Journal of Remote Sensing Journal of Geophysical Research International Journal of Remote Sensing Photogrammetric Engineering and Remote Sensing Journal Technika Chronika - Scientific Journal of the Technical Chamber of Greece |