Ioanna Dretta joined Quest Holdings in 2023.
Ioanna Dretta is currently
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Ioanna Dretta has a Master of Science in Soil Mechanics and Engineering Seismology from Imperial College London in 2003 and a Master in Public Administration from Harvard University - Kennedy School of Government in 2011.
They have also studied at Imperial College London :
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They have also studied at Harvard University - Kennedy School of Government :
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