Antonios Kontoleon Diploma Mechanical- Electrical engineer NTUA, Chairman of the board of the Hellenic Union of Industrial Energy Consumers (UNICEN), Energy Consultant
Education: Diploma Mechanical- Electrical engineer NTUA, 1979.
Professional (1982 – today):
- Heracles Cement Company (1982-2012), Maintenance and New projects Manager (1989-2008), Energy Director (2006-2012)
- Board Member (2010-2019)
- Chairman of the board (2019-today)
- SIDENOR S.A, Energy consultant (2012- today)