> Feb-Nov 2007: Military Service (obligatory)

> TEACHING/SUPERVISING EXPERIENCE

- 2015 July – Aug Summer project students M. Tomasevic and M. Micic (University of Belgrade, Serbia), Astronomical Institute, Czech Academy of Sciences, Ondřejov, Czech Republic
- 2012 Feb – 2012 June Teaching assistant, Physics Laboratory I (course F108), Physics Dept., University of Crete, Heraklion, Greece
- 2011 Feb – 2011 June Teaching assistant, Physics Laboratory I (source F108), Physics Dept., University of Crete, Heraklion, Greece
- 2004 Oct – 2005 Feb Teaching assistant, Physics I (course M107), Mathematics Dept., University of Crete, Heraklion, Greece
- 2005 Feb – 2005 June Teaching assistant, Physics I (course EMF101), Applied Mathematics Dept., University of Crete, Heraklion, Greece
- 2005 Oct – 2006 Feb Teaching assistant, Physics I (course M107), Mathematics Dept., Univ. of Crete, Heraklion, Greece
- 2006 Feb – 2006 June Teaching assistant, Physics I (course EMF101), Applied Mathematics Dept., University of Crete, Heraklion, Greece

> OFFICIAL WORK VISITS

– 2016 May 2-19 : Tartu Obseratoty, Tõravere, Estonia
– 2016 March 3 – April 4 : University of Crete, Heraklion, Greece
– 2015 February 14 – March 9 : University of Crete, Heraklion, Greece
– 2012 July 1 – August 12 : Harvard-Smithsonian Center for Astrophysics (Boston, MA) & Iowa State University (Ames, IA), USA
– 2011 January 14 – February 5 : Harvard Smithsonian Center for Astrophysics (Boston, MA) & Northwestern University (Chicago, IL), USA

> SELECTED CONTRIBUTIONS AND PARTICIPATION IN CONFERENCES/MEETINGS


- G. Maravelias, M. Kraus, A. Aret, L. Cidale, M. L. Arias, M. Borges Fernandes, “B[e] Supergiants’ circumstellar environment: disks or rings?”, The B[e] Phenomenon: Forty Years of Studies, Prague, Czech Republic, 27 June – 1 July 2016 [talk]
- A. Aret, I. Kolka, M. Kraus, G. Maravelias, "Similarities in the structure of the circumstellar environments of B[e] supergiants and yellow hypergiants”, The B[e] Phenomenon: Forty Years of Studies, Prague, Czech Republic, 27 June – 1 July 2016 [talk]
-M. Kraus, L. S. Cidale, T. Liimets, D. S. Gunawan, C. E. Cappa, M. E. Oksala, M. L. Arias, G. Maravelias, M. Borges Fernandes, M. Cure, "Clumpy molecular structures revolving the B[e] supergiant MWC 137", The B[e] Phenomenon: Forty Years of Studies, Prague, Czech Republic, 27 June – 1 July 2016 [poster]
- A. Aret, M. Kraus, I. Kolka, G. Maravelias, “A new outburst of the yellow hypergiant star ρ Cas”, The B[e] Phenomenon: Forty Years of Studies, Prague, Czech Republic, 27 June – 1 July 2016 [poster]
- G. Maravelias, M. Kraus, A. Aret, L. Cidale, M. L. Arias, M. Borges Fernandes, "B[e] Supergiants' circumstellar environment: disks or rings?", Bridging the gap: from massive stars to supernovae, Kavli Royal Society Centre, Chicheley Hall, Buckinghamshire, UK, 1-2 June 2016 [poster]
- E. Kardasis, E. Vourliotis, I. Bellias, G. Maravelias, E. Vakalopoulos, P. Papadeas, K. Marouda, O. Voutyras, "Spreading the passion for scientifically useful planetary observations", European Planetary Science Congress 2015, Nantes, France, 27 September - 2 October 2015 (EPSC2015-707) [poster]
- G. Maravelias, M. Kraus, A. Aret, "Tracing the disks around B[e] Supergiants in the Magellanic Clouds", 12th Hellenic Astronomical Conference, Thessaloniki, Greece, 28 June - 2 July 2015 [talk]
- G. Maravelias, M. Kraus, A. Aret, "Disk Tracing for B[e] Supergiants in the Magellanic Clouds", The Physics of Evolved Stars-A conference dedicated to the memory of Olivier Chesaneau, Nice, France, 8-12 June, 2015 [poster]
- G. Maravelias, E. (M). Kardasis, I.-M. Strikis, B. Georgalas, M. Koutoulaki, O. Vouturas, "Results from the epsilon Aurigae campaign in Greece", 8th Panhellenic Conference on Amateur Astronomy, Thassos, Greece, 11-13 October 2013 [talk]
- Black Holes at all scales, Ioannina, Greece, 16-19 September 2013
- O. Voutyras, G. Maravelias, I. Bellias, and E. Kardasis, "10 Years of Developing Outreach Techniques and Best Practice by the Hellenic Amateur Astronomy Association", European Planetary Science Congress 2013, University College London, London, UK, 8-13 September 2013, (EPSC2013-798) [poster]
- G. Maravelias, A. Zezas, V. Antoniou, D. Hatzidimitriou, F. Haberl, "Looking for High-Mass X-ray Binaries in the Small Magellanic Cloud", 11th Hellenic Astronomical Conference, Athens, Greece, 8-12 September 2013, [talk]
- E. Kardasis, G. Maravelias, P. Yanamandra-Fisher, G. Orton, J. H. Rogers, M. Jacquesson, A. Christou, M. Delcroix, "The need of Professional-Amateur collaborations to the monitoring of the giant planets", 11th Hellenic Astronomical Conference, Athens, Greece, 8-12 September 2013 [poster]
- Meteoroids 2013, Poznań, Poland, 26-30 August 2013
- International Meteor Conference 2013, Poznań, Poland, 22-25 August 2013
- G. Maravelias, A. Zezas, V. Antoniou, D. Hatzidimitriou, F. Haberl, "Studying the High-mass X-ray Binaries Population of the Small Magellanic Cloud", Massive Stars: From α to Ω, Rhodes, Greece, 10-14 June 2013 [poster]
- V. Antoniou, A. Zezas, G. Maravelias, V. Kalogera, "The missing piece of the puzzle: Neutron stars accreting from supergiant companions", Half a Century of X-ray Astronomy, Mykonos Island, Greece, 17-21 September 2012, (id.88) [talk]
- 2012 Sagan Exoplanet Summer Workshop “Working with Exoplanet Light Curves”, Caltech, Pasadena, CA., USA, 23-27 July 2012
- G. Maravelias, A. Zezas, V. Antoniou, "Optical Spectroscopy of High-Mass X-ray Binaries in the Small Magellanic Cloud", X-ray Binaries - Celebrating 50 Years Since the Discovery of Sco X-1, Boston, MA., USA, 10-12 July 2012 (id. 34) [poster]
- G. Maravelias, "First results on video meteors from Crete", International Meteor Conference 2011, Sibiu, Romania, 15-18 September, 2011 [talk]
- G. Maravelias, A. Zezas, V. Antoniou, "Optical spectroscopy of Be X-ray Binaries in the Small Magellanic Cloud", 10th Hellenic Astronomical Conference, Ioannina, Greece, 5-8 September 2011 [talk]
- High Energy View of Accreting Objects: AGN and X-ray Binaries, Agios Nikolaos, Crete, Greece, 5-14 October 2010
- G. Maravelias, "Hellenic Amateur Astronomy Association’s Activities: Preliminary results on Perseids 2010", International Meteor Conference 2010, Armagh-N. Ireland, UK, 16-19 September 2010 [poster]
- Fireball Data Workshop (FireWorks), Armagh Observatory - N. Ireland, UK, 15-16 September 2010
- G. Maravelias, "Call for Observations on Epsilon Aurigae", 6th Panhellenic Conference on Amateur Astronomy, Alexandroupolis, Greece, 25-27 September 2009 [talk]
- G. Maravelias, M. Kardasis, I-M. Strikis, D. Stouraitis, "First results from observational programs on variable stars of Hellenic Amateur Astronomy Association", 6th Panhellenic Conference on Amateur Astronomy, Alexandroupolis, Greece, 25-27 September 2009 [poster]
- G. Maravelias, P. Georgopoulos, M. Kardasis, Y. Belias, D. Gkionis, "Meteor Activities of Hellenic Amateur Astronomy Association", International Meteor Conference 2008, Šachtička, Slovakia, 18-21 September 2008 [poster]
- G. Maravelias, "Hellenic Amateur Astronomy Association's activities during 2005-2007", 5th Panhellenic Conference on Amateur Astronomy, Patras, Greece, 5-7 October 2007 [poster]
- G. Maravelias, "Perseids: meteor stream characteristics and data analysis of personal observations during 2001-2004", 4th Panhellenic Conference on Amateur Astronomy, Athens, Greece, 9-11 September 2005 [talk]
- G. Maravelias, "ZHR and population index r for the Perseids during the years 2001-2003 from personal observations", 3rd Panhellenic Conference on Amateur Astronomy, Chalkidiki, Greece, 17-19 October 2003 [poster]

> OTHER TALKS

- "The circumstellar environment of B[e] Supergiants - disks or rings?", Tartu Observatory, Tõravere, Estonia, May 11 2016
- "Small Magellanic Cloud: where High-Mass X-ray Binary production is not in crisis", Masaryk University Seminar, Brno, Czech Republic, April 11 2016
- "High-Mass X-ray Binaries in the Small Magellanic Cloud", Summer interdepartmental meeting of Astronomical Institute, Czech Academy of Sciences, Ondřejov, Czech Republic, June 1 2015
- "Variable Stars Section of the Hellenic Amateur Astronomy Association", Sun and Variable Stars Meeting, University of Athens, Athens, Greece, December 16 2010

> WORKSHOPS ORGANIZED FOR PROFESSIONAL-AMATEUR COLLABORATIONS

- G. Maravelias and E. Vourliotis, "May 2015-a month dedicated to Meteors", Hellenic Amateur Astronomy Association, Athens, Greece, May 2015
- G. Maravelias, E. Vourliotis and K. Marouda, "December 2014-a month dedicated to Variable Stars", Hellenic Amateur Astronomy Association, Athens, Greece, December 2015
- G. Maravelias, V. Tsamis, and A. Christou, "The Draconids 2011 workshop", 7th Panhellenic Conference on Amateur Astronomy, Chania, Greece, 7-9 October 2011
- G. Maravelias, "Workshop on Visual Observation of Meteors", 5th Panhellenic Meeting of Amateur Astronomers, Filippaioi, Grevena, Greece, 29-31 July 2011
- A. Christou, G. Maravelias, and V. Tsamis, "Meteors and how to observe them", 4th Panhellenic Meeting of Amateur Astronomers, Parnonas Mt., Peloponissos, Greece, 9-11 July 2010
- G. Maravelias and M. Kardasis, "Workshop on Visual Observation of Variable Stars", 3rd Panhellenic Meeting of Amateur Astronomers, Anavra, Fthiotida, Greece, 26-28 June 2009
- G. Maravelias, "Workshop on Visual Observation of Meteors", 3rd Panhellenic Meeting of Amateur Astronomers, Anavra, Fthiotida, Greece, 26-28 June 2009

> OUTREACH ACTIVITIES

- 1999-... Contributing to online Greek amateur astronomical fora (AstoVox,AstroForum)
- 2003-... Hellenic Amateur Astronomy Association activitites (observing with the public, meetings, articles)
- 2008-2013 Various tv/radio interviews on Greek media
- 2010-2013 "Open nights" at Skinakas Observatory, Rethymnon, Greece
- 2012 Sep Co-organizing with A. Maravelia (educator-museologist) the educational program for families entitled "Observing Stars" at Historical Museum of Athens, Greece
- 2015 May Outreach talk "Massive Stars … and some interested cases" at 1st high school of Aigaleo, Athens, Greece

2010, Grigoris Maravelias, Scholarship from the State Scholarships Foundation, for PhD studies in Astrophysics [2010-2014]

2004, Grigoris Maravelias, Scholarships from University of Crete and Foundation of Research and Technology, Greece, for MSc studies [2004-2006]

1999, Grigoris Maravelias, Scholarship “Christina Ganioti-Papageorgiou” of National Technical University of Athens, Greece, for excellence in University-entry exams

ETIS KLASSIFIKAATOR: 4. Loodusteadused ja tehnika; 4.3. Kosmoseuuringud ja astronoomia; CERCS KLASSIFIKAATOR: P520 Astronoomia, kosmoseuuringud, kosmosekeemia ; TÄPSUSTUS: Stellar Astrophysics, Observational Astronomy

> SUCCESSFUL PROPOSALS:


- A. Manousakis, A. Slowikowska, A. Zezas, V. Antonious, G. Maravelias: Insights into High-Mass X-ray Binaries: Classification of sources in a Chandra X-ray Visionary Program, ESO Proposal ID #093D-0665, 25 hours (2014)


- V. Antoniou, A. Zezas, D. Hatzidimitriou, G. Maravelias, F. Haberl: Classification of X-ray sources detected in the XMM-Newton survey of the SMC, NOAO Proposal ID #2012B-0426, 2 nights (2012)

> OBSERVING EXPERIENCE


~ Skinakas 1.3m, Heraklion, Greece:
-- optical imaging: 44 nights
-- optical spectroscopy : 14 nights
-- near-IR imaging : 27 nights


~ Perek 2.0m, Ondřejov, Czech Republic:
-- optical spectroscopy: 57 nights

> Feb-Nov 2007: Military Service (obligatory)

> TEACHING/SUPERVISING EXPERIENCE

- 2015 July – Aug Summer project students M. Tomasevic and M. Micic (University of Belgrade, Serbia), Astronomical Institute, Czech Academy of Sciences, Ondřejov, Czech Republic
- 2012 Feb – 2012 June Teaching assistant, Physics Laboratory I (course F108), Physics Dept., University of Crete, Heraklion, Greece
- 2011 Feb – 2011 June Teaching assistant, Physics Laboratory I (source F108), Physics Dept., University of Crete, Heraklion, Greece
- 2004 Oct – 2005 Feb Teaching assistant, Physics I (course M107), Mathematics Dept., University of Crete, Heraklion, Greece
- 2005 Feb – 2005 June Teaching assistant, Physics I (course EMF101), Applied Mathematics Dept., University of Crete, Heraklion, Greece
- 2005 Oct – 2006 Feb Teaching assistant, Physics I (course M107), Mathematics Dept., Univ. of Crete, Heraklion, Greece
- 2006 Feb – 2006 June Teaching assistant, Physics I (course EMF101), Applied Mathematics Dept., University of Crete, Heraklion, Greece

> OFFICIAL WORK VISITS

– 2016 May 2-19 : Tartu Obseratoty, Tõravere, Estonia
– 2016 March 3 – April 4 : University of Crete, Heraklion, Greece
– 2015 February 14 – March 9 : University of Crete, Heraklion, Greece
– 2012 July 1 – August 12 : Harvard-Smithsonian Center for Astrophysics (Boston, MA) & Iowa State University (Ames, IA), USA
– 2011 January 14 – February 5 : Harvard Smithsonian Center for Astrophysics (Boston, MA) & Northwestern University (Chicago, IL), USA

> SELECTED CONTRIBUTIONS AND PARTICIPATION IN CONFERENCES/MEETINGS


- G. Maravelias, M. Kraus, A. Aret, L. Cidale, M. L. Arias, M. Borges Fernandes, “B[e] Supergiants’ circumstellar environment: disks or rings?”, The B[e] Phenomenon: Forty Years of Studies, Prague, Czech Republic, 27 June – 1 July 2016 [talk]
- A. Aret, I. Kolka, M. Kraus, G. Maravelias, "Similarities in the structure of the circumstellar environments of B[e] supergiants and yellow hypergiants”, The B[e] Phenomenon: Forty Years of Studies, Prague, Czech Republic, 27 June – 1 July 2016 [talk]
-M. Kraus, L. S. Cidale, T. Liimets, D. S. Gunawan, C. E. Cappa, M. E. Oksala, M. L. Arias, G. Maravelias, M. Borges Fernandes, M. Cure, "Clumpy molecular structures revolving the B[e] supergiant MWC 137", The B[e] Phenomenon: Forty Years of Studies, Prague, Czech Republic, 27 June – 1 July 2016 [poster]
- A. Aret, M. Kraus, I. Kolka, G. Maravelias, “A new outburst of the yellow hypergiant star ρ Cas”, The B[e] Phenomenon: Forty Years of Studies, Prague, Czech Republic, 27 June – 1 July 2016 [poster]
- G. Maravelias, M. Kraus, A. Aret, L. Cidale, M. L. Arias, M. Borges Fernandes, "B[e] Supergiants' circumstellar environment: disks or rings?", Bridging the gap: from massive stars to supernovae, Kavli Royal Society Centre, Chicheley Hall, Buckinghamshire, UK, 1-2 June 2016 [poster]
- E. Kardasis, E. Vourliotis, I. Bellias, G. Maravelias, E. Vakalopoulos, P. Papadeas, K. Marouda, O. Voutyras, "Spreading the passion for scientifically useful planetary observations", European Planetary Science Congress 2015, Nantes, France, 27 September - 2 October 2015 (EPSC2015-707) [poster]
- G. Maravelias, M. Kraus, A. Aret, "Tracing the disks around B[e] Supergiants in the Magellanic Clouds", 12th Hellenic Astronomical Conference, Thessaloniki, Greece, 28 June - 2 July 2015 [talk]
- G. Maravelias, M. Kraus, A. Aret, "Disk Tracing for B[e] Supergiants in the Magellanic Clouds", The Physics of Evolved Stars-A conference dedicated to the memory of Olivier Chesaneau, Nice, France, 8-12 June, 2015 [poster]
- G. Maravelias, E. (M). Kardasis, I.-M. Strikis, B. Georgalas, M. Koutoulaki, O. Vouturas, "Results from the epsilon Aurigae campaign in Greece", 8th Panhellenic Conference on Amateur Astronomy, Thassos, Greece, 11-13 October 2013 [talk]
- Black Holes at all scales, Ioannina, Greece, 16-19 September 2013
- O. Voutyras, G. Maravelias, I. Bellias, and E. Kardasis, "10 Years of Developing Outreach Techniques and Best Practice by the Hellenic Amateur Astronomy Association", European Planetary Science Congress 2013, University College London, London, UK, 8-13 September 2013, (EPSC2013-798) [poster]
- G. Maravelias, A. Zezas, V. Antoniou, D. Hatzidimitriou, F. Haberl, "Looking for High-Mass X-ray Binaries in the Small Magellanic Cloud", 11th Hellenic Astronomical Conference, Athens, Greece, 8-12 September 2013, [talk]
- E. Kardasis, G. Maravelias, P. Yanamandra-Fisher, G. Orton, J. H. Rogers, M. Jacquesson, A. Christou, M. Delcroix, "The need of Professional-Amateur collaborations to the monitoring of the giant planets", 11th Hellenic Astronomical Conference, Athens, Greece, 8-12 September 2013 [poster]
- Meteoroids 2013, Poznań, Poland, 26-30 August 2013
- International Meteor Conference 2013, Poznań, Poland, 22-25 August 2013
- G. Maravelias, A. Zezas, V. Antoniou, D. Hatzidimitriou, F. Haberl, "Studying the High-mass X-ray Binaries Population of the Small Magellanic Cloud", Massive Stars: From α to Ω, Rhodes, Greece, 10-14 June 2013 [poster]
- V. Antoniou, A. Zezas, G. Maravelias, V. Kalogera, "The missing piece of the puzzle: Neutron stars accreting from supergiant companions", Half a Century of X-ray Astronomy, Mykonos Island, Greece, 17-21 September 2012, (id.88) [talk]
- 2012 Sagan Exoplanet Summer Workshop “Working with Exoplanet Light Curves”, Caltech, Pasadena, CA., USA, 23-27 July 2012
- G. Maravelias, A. Zezas, V. Antoniou, "Optical Spectroscopy of High-Mass X-ray Binaries in the Small Magellanic Cloud", X-ray Binaries - Celebrating 50 Years Since the Discovery of Sco X-1, Boston, MA., USA, 10-12 July 2012 (id. 34) [poster]
- G. Maravelias, "First results on video meteors from Crete", International Meteor Conference 2011, Sibiu, Romania, 15-18 September, 2011 [talk]
- G. Maravelias, A. Zezas, V. Antoniou, "Optical spectroscopy of Be X-ray Binaries in the Small Magellanic Cloud", 10th Hellenic Astronomical Conference, Ioannina, Greece, 5-8 September 2011 [talk]
- High Energy View of Accreting Objects: AGN and X-ray Binaries, Agios Nikolaos, Crete, Greece, 5-14 October 2010
- G. Maravelias, "Hellenic Amateur Astronomy Association’s Activities: Preliminary results on Perseids 2010", International Meteor Conference 2010, Armagh-N. Ireland, UK, 16-19 September 2010 [poster]
- Fireball Data Workshop (FireWorks), Armagh Observatory - N. Ireland, UK, 15-16 September 2010
- G. Maravelias, "Call for Observations on Epsilon Aurigae", 6th Panhellenic Conference on Amateur Astronomy, Alexandroupolis, Greece, 25-27 September 2009 [talk]
- G. Maravelias, M. Kardasis, I-M. Strikis, D. Stouraitis, "First results from observational programs on variable stars of Hellenic Amateur Astronomy Association", 6th Panhellenic Conference on Amateur Astronomy, Alexandroupolis, Greece, 25-27 September 2009 [poster]
- G. Maravelias, P. Georgopoulos, M. Kardasis, Y. Belias, D. Gkionis, "Meteor Activities of Hellenic Amateur Astronomy Association", International Meteor Conference 2008, Šachtička, Slovakia, 18-21 September 2008 [poster]
- G. Maravelias, "Hellenic Amateur Astronomy Association's activities during 2005-2007", 5th Panhellenic Conference on Amateur Astronomy, Patras, Greece, 5-7 October 2007 [poster]
- G. Maravelias, "Perseids: meteor stream characteristics and data analysis of personal observations during 2001-2004", 4th Panhellenic Conference on Amateur Astronomy, Athens, Greece, 9-11 September 2005 [talk]
- G. Maravelias, "ZHR and population index r for the Perseids during the years 2001-2003 from personal observations", 3rd Panhellenic Conference on Amateur Astronomy, Chalkidiki, Greece, 17-19 October 2003 [poster]

> OTHER TALKS

- "The circumstellar environment of B[e] Supergiants - disks or rings?", Tartu Observatory, Tõravere, Estonia, May 11 2016
- "Small Magellanic Cloud: where High-Mass X-ray Binary production is not in crisis", Masaryk University Seminar, Brno, Czech Republic, April 11 2016
- "High-Mass X-ray Binaries in the Small Magellanic Cloud", Summer interdepartmental meeting of Astronomical Institute, Czech Academy of Sciences, Ondřejov, Czech Republic, June 1 2015
- "Variable Stars Section of the Hellenic Amateur Astronomy Association", Sun and Variable Stars Meeting, University of Athens, Athens, Greece, December 16 2010

> WORKSHOPS ORGANIZED FOR PROFESSIONAL-AMATEUR COLLABORATIONS

- G. Maravelias and E. Vourliotis, "May 2015-a month dedicated to Meteors", Hellenic Amateur Astronomy Association, Athens, Greece, May 2015
- G. Maravelias, E. Vourliotis and K. Marouda, "December 2014-a month dedicated to Variable Stars", Hellenic Amateur Astronomy Association, Athens, Greece, December 2015
- G. Maravelias, V. Tsamis, and A. Christou, "The Draconids 2011 workshop", 7th Panhellenic Conference on Amateur Astronomy, Chania, Greece, 7-9 October 2011
- G. Maravelias, "Workshop on Visual Observation of Meteors", 5th Panhellenic Meeting of Amateur Astronomers, Filippaioi, Grevena, Greece, 29-31 July 2011
- A. Christou, G. Maravelias, and V. Tsamis, "Meteors and how to observe them", 4th Panhellenic Meeting of Amateur Astronomers, Parnonas Mt., Peloponissos, Greece, 9-11 July 2010
- G. Maravelias and M. Kardasis, "Workshop on Visual Observation of Variable Stars", 3rd Panhellenic Meeting of Amateur Astronomers, Anavra, Fthiotida, Greece, 26-28 June 2009
- G. Maravelias, "Workshop on Visual Observation of Meteors", 3rd Panhellenic Meeting of Amateur Astronomers, Anavra, Fthiotida, Greece, 26-28 June 2009

> OUTREACH ACTIVITIES

- 1999-... Contributing to online Greek amateur astronomical fora (AstoVox,AstroForum)
- 2003-... Hellenic Amateur Astronomy Association activitites (observing with the public, meetings, articles)
- 2008-2013 Various tv/radio interviews on Greek media
- 2010-2013 "Open nights" at Skinakas Observatory, Rethymnon, Greece
- 2012 Sep Co-organizing with A. Maravelia (educator-museologist) the educational program for families entitled "Observing Stars" at Historical Museum of Athens, Greece
- 2015 May Outreach talk "Massive Stars … and some interested cases" at 1st high school of Aigaleo, Athens, Greece

Grigoris Maravelias, Doctor's Degree, 2014, (sup) Prof. Andreas Zezas, Investigation of the High-Mass X-ray Binary populations in the Small Magellanic Cloud, Physics Department, University of Crete, Heraklion, Greece.

Grigoris Maravelias, Research Master's Degree, 2007, (sup) Prof. Dimitris Charalambidis; Dr. Paris Tzallas, Παραγωγή ισχυρής XUV ακτινοβολίας με την χρήση fs παλμών λείζερ δύο χρωμάτων (800nm kai 400nm) (Production of strong XUV radiation by using fs laser pulses of two colours (800nm and 400nm)), Physics Department, University of Crete, Heraklion, Greece.

Grigoris Maravelias, Research Master's Degree, 2004, (sup) Prof. Ioanna Zergioti; Dr. Stelios Tzortzakis, Αλληλεπίδραση βραχέων παλμών laser με το εσωτερικό οπτικών υλικών (Interaction of short laser pulses with the interior of optical glasses), School of Applied Mathematical and Physical Sciences, National Technical University of Athens, Athens, Greece.

2010, Grigoris Maravelias, Scholarship from the State Scholarships Foundation, for PhD studies in Astrophysics [2010-2014]

2004, Grigoris Maravelias, Scholarships from University of Crete and Foundation of Research and Technology, Greece, for MSc studies [2004-2006]

1999, Grigoris Maravelias, Scholarship “Christina Ganioti-Papageorgiou” of National Technical University of Athens, Greece, for excellence in University-entry exams

ETIS CLASSIFICATION: 4. Natural Sciences and Engineering; 4.3. Space Research and Astronomy; CERCS CLASSIFICATION: P520 Astronomy, space research, cosmic chemistry ; SPECIFICATION: Stellar Astrophysics, Observational Astronomy