GLE Excom

Nelly Nicoli
Chief Executive Officer
Elengy

Biography expected

Pieter van Aartsen
Gate terminal

Pieter van Aartsen is company secretary of Gasunie. In addition to this position he heads the government and regulatory affairs department. Before taking up his position as GIE board member he chaired the strategy task force and represented GIE in the steering committee of GasNaturally.

Previously he has worked as policy advisor on energy, climate and the internal market in the European Parliament. He was closely involved in the negotiations between the EU institutions on the Third Energy Package and the Second Strategic Energy Review. Before relocating to Brussels he was working in the communications department of a political party and worked on several election campaigns in the Netherlands.

Arno Büx
Chief Commercial Officer
FLUXYS

Arno Büx has been Chief Commercial Officer of Fluxys Group and Fluxys Belgium since autumn 2015. He oversees all commercial activities of Fluxys, both regulated and non-regulated as well as its business development in Europe. Büx holds degrees in Engineering and Business Administration. Before joining Fluxys, he has evolved within the ENGIE Group for 20 years, working in Belgium, France and Luxemburg but mostly contributing to the development of the Group’s energy activities in Germany. He held various executive and non-executive management positions in businesses targeting the B2B and B2C commodity markets as well as the gas midstream sector.

Arno Büx

Dario Manenti
Commercial LNG Manager
SNAM / GNL Italia

Biography expected

Dario Manenti

Sławomir Hinc

President of the Management Board
GAZ-SYSTEM

Sławomir Hinc has long-standing experience in natural gas industry, having been
directly involved in the development of the concept of national gas transmission
system operator in Poland since 2003. From 2004 to 2008, he held the position of
Financial Director at PGNiG Przesył (currently GAZ-SYSTEM), where he was responsible
for cooperation with the Energy Regulatory Office, negotiations of the lease
agreement for transmission assets that were transferred to GAZ-SYSTEM by PGNiG as a
dividend in kind. He also supervised the process of obtaining a gas transmission license
by GAZ-SYSTEM. From 2006 to 2008, he served as a commercial proxy in GAZ-SYSTEM.
He is the author of its first transmission tariff. He was responsible on GAZ-SYSTEM’s part
for the transfer of Regional Transmission Branches from PGNiG S.A. structures to
GAZ-SYSTEM in 2005.

From 2008 to 2013, he served as Vice-President for Financial Affairs at PGNiG, where
he was responsible for the spin-off of the storage system operator (SSO) currently
independently operating under the business name Gas Storage Poland and the
launch of storage services on the market. From 2008 to 2014, he served as a member
of the Supervisory Board of EuRoPol GAZ. In 2010, he was appointed to the Governing
Board of the European Association of Gas and Oil Companies EUROGAS in Brussels
where he served until 2015.

From 2013 to 2016, he served as President and CEO of PGNiG Upstream Norway, where
he was responsible for the acquisition of PGNiG’s interests in 4 gas fields, and for this
business deal he received the Gullkronen Award for the best oil transaction in Norway.
He also supervised the company’s expansion of exploration activities in the north of
Norway, including the obtaining of exploration licences in the Barents Sea by PGNiG.
From 2019 to 2024, he was involved in the renewable energy industry, first as an advisor
to the Management Board and then as a member of the Supervisory Board of
Helioexpert. In 2019, he was appointed as President and Managing Director at Green
Genius – a Polish branch of a Lithuanian solar power plant operator.

He holds a degree in economics from the Institute of Foreign Trade at the University of
Gdańsk and a Ph.D. in engineering and technology specialising in gas transmission
tariff systems from the Faculty of Environmental Engineering at the Warsaw University
of Technology. He also studied at the Vienna University of Economics and Business and
University of Applied Sciences in Berlin. He completed postgraduate Business
Management Programme organised by the Central Connecticut State University.
Lecturer at postgraduate studies at the Warsaw University of Technology and the AGH
University of Science and Technology in the field of transport, tariffs and regulatory
affairs in the natural gas market. Author of numerous publications on natural gas tariffs
and transportation.

Sławomir Hinc