Marek Tomanek has an Executive MBA degree from the University of Minnesota and a degree from the Warsaw School of Economics. He graduated from the University of Economics in Katowice. He also studied at the Silesian International Business School in Katowice and completed post-graduate studies at the Jacek Santorski Academy of Leadership Psychology at the Business School of the Warsaw University of Technology.
In the years 2008–2020, he worked with Eaton Corporation where he held various positions related to operations. For two years, he served as factory manager at Eaton’s plant in Bielsko-Biała, progressing to plant director, a role he held for five years. Next he was appointed operational director for strategy in Europe. In this role, in 2016-2017 he was responsible for implementing and coordinating strategies and activities in the area of operational excellence, savings and investments in the region. Then, for six months, he managed a motor valve manufacturing plant in Germany. Since the end of 2017, he served as COO for six plants in Europe, and in January 2018, he became fully responsible for the operational side of manufacturing components and systems for cars and trucks in Europe. This role covered eight production plants in five European countries. He also assisted in the launch of new production lines, introduced Industry 4.0 solutions, supported the project valuation system, worked on culture and safety improvement in the region, dealt with the expansion of existing production plants as well as closures and restructuring of the remaining ones in order to achieve the region's expected financial performance.
In 2002–2008, he worked for Valeo. He held the role of Lean Production System manager. He became a certified trainer for the Valeo production system in the area of lean manufacturing. He managed the transfer of the plant to a new production building, and the integration of operational activities with other production lines. He planned the arrangement of machines and production flow for several product families. Over the next two years, he was responsible for the launch of a new product line for a plant in Kraków, running autonomous production units. Then for two years he managed the entire plan operations as an operational manager. He was responsible for performance in terms of costs, quality, safety and productivity of a wiper systems plant in Kraków.
In 1998–2002, he worked with Ford Polska in Płońsk and Vistula S.A. in Kraków. He served as a specialist and a manager, dealing with production planning, engineering changes, production parts logistics, warehouse centralization, procurement, cost-saving programs and quality.
In accordance with the resolution of the Supervisory Board of Selena FM S.A. of 14 May 2020, Marek Tomanek was appointed member of the Company's Management Board as a Chief Operating Officer (COO) effective from 25 May 2020.