our team

Antonios Vavouliotis is the President and Chief Executive Officer (CEO) of Pleione Energy S.A., acting as the legal representative of the company. He is responsible for the strategic and business direction planning, as well as for overseeing and outlining the execution of the company's strategic vision. Born in Athens, Greece, he is a Mechanical and Aeronautics Engineer and holds a Ph.D. (2009) in the field of damage monitoring of fibre-reinforced composites enhanced with carbon-nanotubes from the University of Patras. He has a strong record of success delivering long-term growth strategies and top-notch technological expertise. In addition, over the past decade he has been involved in a series of international joint R&D space and aeronautics programs (ESA and EU activities) covering main aspects of space systems engineering. He is also a co-founder and the Managing Director of Adamant Composites Ltd.


Nuno M. Fernandes is the Vice-President of Pleione Energy S.A., and he is responsible for establishing, along with the President, the company’s mission, strategies and financial performance objectives. Born in Lisbon, Portugal, he has an Economics and Finance Degree from the Management School of UNL. He has also graduated the Engineering Faculty of Lisbon University and further holds a Master's Degree in Mechanical Engineering (University of Lisbon). He has Proven track record of success, including managing the Mechanical Division of Omnidea Lda and achieving department objectives on time and in excellence. He also has hands-on experience with financial analytical projects. In addition, he has been involved in a series of international joint R&D aerospace and energy programs (ESA and EU activities).

He is also the General Manager of Omnidea-RTG GmbH.


Dimitris Vlachos is a member of the Board of Directors of Pleione Energy S.A., and he encourages the Board's role in strategic planning and provides engineering support, acting as a mechanical/design expert. Born in Athens, Greece, he is a Mechanical and Aeronautics Engineer and holds a Ph.D. (2006) in the field of Ceramic Composites structures for High Temperature applications from the University of Patras. His research activity extends over a wide range of subjects, which include design and analysis of composite structures, as well as composites processing simulation. Throughout his years of technical experience, he has participated in and led various EU, ESA and national R&D activities.

He is also a co-founder and the Technical Director of Adamant Composites Ltd.


Zampia Kalogridi is the Chief Operating Officer (COO) of Pleione Energy S.A., and she is responsible for the implementation of the company's strategy, for day-to-day management, for business development, and for the project management of the company’s technical activities.

Born in Athens, Greece, she is a Mechanical and Aeronautics Engineer (University of Patras) and holds a Master's Degree in Engineering Business Management (EBM), from Warwick University, UK.

She has a wealth of experience in business development and in extensive sales, communication and commercialization strategies and solutions, having held high-level positions in the energy industry. Her specialization lies in the development of business plans and feasibility studies to evaluate strategic ideas, as well as in aligning the company’s objectives with long-term strategies.


Aris Amplianitis is the Research & Development (R&D) Engineer of Pleione Energy S.A., and he is responsible for the company’s engineering R&D activities and technical programs, ensuring compliance with the tasks timetable. Born in Athens, Greece, he is a Mechanical and Aeronautics Engineer (University of Patras) and holds a Master's Degree in Sustainable Energy Technology from The Technical University of Delft, Netherlands.

He is passionate about enabling technologies and has experience in various aspects of energy application: production, efficiency, systems and integration. He also has experience in SMEs working on low-medium TRL of energy technologies.