![Professor Dr Ioannis K. Kalavrouziotis, President of Hellenic Open University, Agronomist-Ph.D. Environmental Geochemistry - University of Patras Alumni Professor Dr Ioannis K. Kalavrouziotis, President of Hellenic Open University, Agronomist-Ph.D. Environmental Geochemistry - University of Patras Alumni](https://alumni.upatras.gr/wp-content/uploads/2023/04/-%CE%9A%CE%B1%CE%BB%CE%B1%CE%B2%CF%81%CE%BF%CF%85%CE%B6%CE%B9%CF%8E%CF%84%CE%B7%CF%82-e1681277576984.jpg)
Professor Dr Ioannis K. Kalavrouziotis, President of Hellenic Open University, Agronomist-Ph.D. Environmental Geochemistry - University of Patras Alumni
![Professor Dr Ioannis K. Kalavrouziotis, President of Hellenic Open University, Agronomist-Ph.D. Environmental Geochemistry - University of Patras Alumni Professor Dr Ioannis K. Kalavrouziotis, President of Hellenic Open University, Agronomist-Ph.D. Environmental Geochemistry - University of Patras Alumni](https://alumni.upatras.gr/wp-content/uploads/2023/02/DSC_7090-scaled-500x383.jpg)
Professor Dr Ioannis K. Kalavrouziotis, President of Hellenic Open University, Agronomist-Ph.D. Environmental Geochemistry - University of Patras Alumni
![Ioannis KALAVROUZIOTIS | Professor | Hellenic Open University, Pátra | School of Science and Technology | Research profile Ioannis KALAVROUZIOTIS | Professor | Hellenic Open University, Pátra | School of Science and Technology | Research profile](https://www.researchgate.net/profile/Spyridon-Kyritsis/publication/359376027/figure/tbl2/AS:1136051485712384@1647867189499/46_Q320.jpg)
Ioannis KALAVROUZIOTIS | Professor | Hellenic Open University, Pátra | School of Science and Technology | Research profile
![PRESENTATION PROFESSOR IOANNIS KALAVROUZIOTIS , Dean of the School of Science and Technology , HELLENIC OPEN UNIVERSITY PRESENTATION PROFESSOR IOANNIS KALAVROUZIOTIS , Dean of the School of Science and Technology , HELLENIC OPEN UNIVERSITY](http://www.ioanniskalavrouziotis.gr/media/k2/items/cache/b262fcb3a88d76445a5d5d6ad933cf2d_XL.jpg)
PRESENTATION PROFESSOR IOANNIS KALAVROUZIOTIS , Dean of the School of Science and Technology , HELLENIC OPEN UNIVERSITY
![Professor Dr Ioannis K. Kalavrouziotis, President of Hellenic Open University, Agronomist-Ph.D. Environmental Geochemistry - University of Patras Alumni Professor Dr Ioannis K. Kalavrouziotis, President of Hellenic Open University, Agronomist-Ph.D. Environmental Geochemistry - University of Patras Alumni](https://alumni.upatras.gr/wp-content/uploads/2023/02/%CE%94%CE%B1%CE%B3%CE%BA%CF%8C%CE%B3%CE%BB%CE%BF%CF%85-%CE%92%CE%B9%CE%BA%CF%84%CF%89%CF%81%CE%AF%CE%B1-500x383.jpg)