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Grigoris Leonidis

He is a graduate of the Ludwig-Maximilians Universität München in the field of Media and Communication and holds a Ph.D. in Communication and Media Studies of the same institution.

He started his professional career with Siemens S.A. in Germany and quickly continued in Greece as Corporate Communications Director of Siemens Group of Companies. During his professional career, he was communications director at, among others: Vardinogiannis Group, Papastratos, Club Hotel Casino Loutraki and ERT.

In 2021, he founded Cleon Conferences & Communications.

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