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Staff list
Eleni Vardoulaki
Manager, OAE Node Greece ; Team Chair, NAEC Team - Greece
Based at IAASARS/National University of Athens
elvardatnoa.gr
I am an Astrophysicist, science communicator and published author. I have a PhD from the University of Oxford in Observational Cosmology. Currently I am an Astrophysicist and public outreach officer at the Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing at the National Observatory of Athens. More information about me, my research, and my activities can be found on my website elenivardoulaki.com
Manager, OAE Node Greece ; Team Chair, NAEC Team - Greece
Based at IAASARS/National University of Athens
elvardatnoa.gr
I am an Astrophysicist, science communicator and published author. I have a PhD from the University of Oxford in Observational Cosmology. Currently I am an Astrophysicist and public outreach officer at the Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing at the National Observatory of Athens. More information about me, my research, and my activities can be found on my website elenivardoulaki.com
Eleftheria Drigga
Deputy Manager, OAE Node Greece
edriggaatnoa.gr
Eleftheria Drigga graduated from the Physics Department of the School of Sciences of the Aristotle University of Thessaloniki in 2017, having chosen the direction of Astronomy. Then, she attended the Postgraduate Program “Computational Physics” of the same department, and graduated in 2020. From February 2022, she started her PhD at the National Observatory of Athens under the supervision of Elias Koulouridis and Prof. Manolis Plionis. Her main research interests are AGNs and galaxy clusters.
Deputy Manager, OAE Node Greece
edriggaatnoa.gr
Eleftheria Drigga graduated from the Physics Department of the School of Sciences of the Aristotle University of Thessaloniki in 2017, having chosen the direction of Astronomy. Then, she attended the Postgraduate Program “Computational Physics” of the same department, and graduated in 2020. From February 2022, she started her PhD at the National Observatory of Athens under the supervision of Elias Koulouridis and Prof. Manolis Plionis. Her main research interests are AGNs and galaxy clusters.
Elias Koulouridis
Staff, OAE Node Greece
Based at Institute for Astronomy & Astrophysics, Space Applications & Remote Sensing, National Observatory of Athens
ekoulouridisatnoa.gr
Elias Koulouridis received his BSc in Physics in 2003, his MSc in Theoretical and Computational Physics and Astrophysics in 2005, and his PhD in Astrophysics from the University of Patras in 2009. He subsequently worked as a postdoctoral researcher at the Institute for Astronomy and Astrophysics of the National Observatory of Athens (NOA) until 2015.
In 2011, he was awarded a fellowship by the State Scholarships Foundation (IKY), and from 2012 to 2015, he held a fellowship under the Greek national program for the support of postdoctoral researchers. Between 2015 and 2019, he was a senior postdoctoral researcher at the Département d’Astrophysique of CEA/Saclay in France.
Since 2019, he has been working as a Researcher at IAASARS/NOA. Starting in 2025, he also serves as an external collaborator at the Astrophysics Department of CEA/Saclay, where he works with data from the Euclid space telescope.
Staff, OAE Node Greece
Based at Institute for Astronomy & Astrophysics, Space Applications & Remote Sensing, National Observatory of Athens
ekoulouridisatnoa.gr
Elias Koulouridis received his BSc in Physics in 2003, his MSc in Theoretical and Computational Physics and Astrophysics in 2005, and his PhD in Astrophysics from the University of Patras in 2009. He subsequently worked as a postdoctoral researcher at the Institute for Astronomy and Astrophysics of the National Observatory of Athens (NOA) until 2015.
In 2011, he was awarded a fellowship by the State Scholarships Foundation (IKY), and from 2012 to 2015, he held a fellowship under the Greek national program for the support of postdoctoral researchers. Between 2015 and 2019, he was a senior postdoctoral researcher at the Département d’Astrophysique of CEA/Saclay in France.
Since 2019, he has been working as a Researcher at IAASARS/NOA. Starting in 2025, he also serves as an external collaborator at the Astrophysics Department of CEA/Saclay, where he works with data from the Euclid space telescope.


