Sławomir Hinc has extensive experience in the gas industry, having been directly involved in developing the operational concept for the national natural gas transmission system operator in Poland since 2003. From 2004 to 2008, he served as Chief Financial Officer at PGNiG Przesył (now GAZ-SYSTEM), where he was responsible for cooperation with the Energy Regulatory Office and negotiating the lease agreement for transmission assets transferred by PGNiG to GAZ-SYSTEM as an in-kind dividend. He also oversaw the process of obtaining a gas transmission license for GAZ-SYSTEM. From 2006 to 2008, he served as a commercial proxy at GAZ-SYSTEM. He authored the company's first transmission tariff. From 2008 to 2013, he served as Vice President of Finance at PGNiG. His responsibilities included: He was responsible for separating the storage system operator (OSM) from PGNiG, establishing the company currently operating under the name Gas Storage Poland, and introducing storage services to the market. From 2008 to 2014, he was a member of the Supervisory Board of EuRoPol GAZ. In 2010, he was appointed to the Governing Board of EUROGAS, the European association of gas and oil companies 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, among other things, for the acquisition of PGNiG's shares in four fields, for which he received the Gullkronen Award for the best transaction in the Norwegian oil market. He also oversaw the expansion of PGNiG's exploration activities in northern Norway, including the acquisition of exploration licenses in the Barents Sea. 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. Since 2019, he has been President and Managing Director of Green Genius, the Polish branch of a Lithuanian PV farm operator.

He holds a degree in economics from the Institute of International Trade at the University of Gdańsk and a Ph.D. in technical sciences from the Faculty of Environmental Engineering at the Warsaw University of Technology, specializing in tariff systems in gas transmission. He also studied at universities in Vienna and Berlin. He completed postgraduate studies in the Comprehensive Business Management Program organized by Central State Connecticut University. He lectures at postgraduate studies at the Warsaw University of Technology and the AGH University of Science and Technology in the areas of transportation, tariff setting, and regulation of the natural gas market. He is the author of numerous publications on tariff setting and transportation of natural gas.