 BOSTON--BUSINESS WIRE--Advent Technologies Holdings, Inc. NASDAQ: ADN Advent or the Company, an innovation-driven leader in the fuel cell and hydrogen technology space, today announced that Kevin Brackman will be joining the Company as its new Chief Financial Officer. He will report to Advent Chairman and CEO Dr. Vasilis Gregoriou. Mr. Brackman is a highly experienced executive who most recently served as CFO of Myers Industries, a publicly traded corporation with internationally loca 