ATHENS, Greece, Nov. 15, 2024 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ: ADN) ("Advent "or the "Company"), is pleased to announce that George Paloumpis has rejoined the Company as the Chief of Operations in Patras, Greece. Prior to this, Mr. Paloumpis was the Director of Manufacturing. Konstantinos Ferderigos, Advent’s General Manager in Greece, stated, “we are very excited that George has rejoined the Company. He was previously with the Company for almost 18 years and a key member of t ...