Former Researchers (since the establishment of the Forest Research Institute)
| Full name | Cognitive object | Carrier* | Retirement/Retirement Date |
| Leonidas Liakos | Pasture farming | PS | |
| John Garifalos | Lefki Cultivation | PS | |
| Kimon Tsitsonis | Lefki Cultivation | PS | |
| Dimitrios Kailidis | Hyloric | PS | |
| Ioannis Papoulias | Hydrology | PS | |
| Antonios Gogos | Soil science | PS | |
| Sotirios Alexandris | Soil science | PS | |
| Vasilios Papanastasis | Pasture farming | PS | |
| Dimitrios Asteris | Soil science | PS | |
| Nikolaos Papamichos | Land Classification | PS | |
| Pavlos Koukos | Wood Technology | PS, ETHIAGE | |
| Kassiani Karagiannakidou | Botany | PS, ETHIAGE | |
| Ekaterini Papadopoulou | Soil/Plant Chemistry | PS, ETHIAGE | |
| Panagiotis Kostantakis | Forest Genetics | PS | |
| Michael Nikolaidis | Hydrology | PS, ETHIAGE | |
| Lambros Romanas | Forestry | PS, ETHIAGE | |
| Panagiotis Kavouras | Wood Technology | PS | |
| Nikolaos Avtzis | Forest Entomology | PS | |
| Pavlos Efthymiou | Utility | PS, ETHIAGE | |
| Eleni Michalopoulou | Forest Pathology | PS, ETHIAGE | 07-04-2003 |
| George Skarmoutsos | Forest Pathology | PS, ETHIAGE | 07-04-2003 |
| Stefanos Diamantis | Forest Pathology | PS, ETHIAGE, ELGO | 17-10-2011 |
| Nikolaos Eleftheriadis | Forest Economy | PS | |
| Stergios Vergos | Forestry | PS | |
| Gregory Hatziphilippides | Forestry | PS, ETHIAGE | 08-01-2006 |
| Nikolaos Ditoras | Forest Genetics | PS | |
| Katenidis Konstantinos | Forestry Operations and Techniques | PS | |
| Antonios Papagianopoulos | Utility | PS, ETHIAGE | |
| Stylianos Gatzogiannis | Forest Management and Economics | PS, ETHIAGE, ELGO | 21-9-2011 |
| George Malamidis | Forest Environment and Recreation | PS, ETHIAGE | |
| Vaia Zygoura | Forest Ecology | PS, ETHIAGE | 21-04-2010 |
| Maria Kalapanida | Forest Entomology | PS, ETHIAGE | 04-03-2010 |
| Kalliopi Radoglou | Forest Ecophysiology | PS, ETHIAGE, ELGO | 02-01-2012 |
| Alexios Karalivanos | Wood Technology | PS, ETHIAGE | |
| Olympia Dini – Papanastasis | Genetics and Plant Breeding | PS, ETHIAGE | 30-09-2009 |
| Alexandros Tsiontsis | Soil science | PS, ETHIAGE | 31-12-2009 |
| Pavlos Konstantinidis | Forest Phytosociology | PS, ETHIAGE, ELGO | 31-12-2016 |
| Dimitrios Trakolis | Forest Environment and Recreation | ETHIAGE | 31-12-2005 |
| Stavros Avramidis | Wood Technology | ETHIAGE | 01-04-1999 |
| Panagiotis Platis | Pasture farming | PS, ETHIAGE, ELGO | 31-12-2020 |
| George Chalyvopoulos | Ecophysiology | PS, ETHIAGE, ELGO | 31-12-2020 |
| Nikolaos Grigoriadis | Forestry and Ecology | PS, ETHIAGE, ELGO | 31-12-2021 |
| Ioannis Meliadis | Geographic Information Systems | PS, ETHIAGE, ELGO | 31-12-2023 |
| Thomas Papachristou | Pasture farming | PS, ETHIAGE, ELGO | 31-12-2023 |
| John Spanos | Forestry-Forest Ecology | PS, ETHIAGE, ELGO | 31-12-2024 |