ESK GmbH is expanding its management team: Aaron Gruetzner becomes Financial Director

Management of ESK GmbH: Andrea Wobito and Aaron Grützner

Dortmund, 1st January 2026

ESK GmbH appoints Aaron Gruetzner as new Financial Managing Director. Together with Andrea Wobito as Technical Managing Director, he will manage ESK in dual leadership.

Aaron Grützner is an electrical engineer specialising in electrical energy technology. Since 2014, his professional focus has been on the energy industry, where he has gained experience at renowned companies such as E.ON, innogy and BP.

His professional career includes positions in controlling, project and process management, and sales. He specialises in the operational development and scaling of new business models, the development and implementation of strategic concepts, and entrepreneurial activity in complex market environments. In this context, he has been leading interdisciplinary and international teams since 2020.