Mario Aehnelt has extensive experience in facility management and technical project leadership, currently serving as the Head of Sales for the South-West region at ENGIE Deutschland, a position held since January 2015. Prior roles at ENGIE include Project Manager in Technical Facility Management and site management for both retail and production facilities. Preceding ENGIE, Mario worked at Cofely Deutschland GmbH, focusing on project management in small-scale construction, particularly in ventilation and heating technology. The earlier career includes military service with the Bundeswehr, serving as a non-commissioned officer specializing in woodworking and operation of construction machinery. Mario holds a state-certified technician degree in building systems technology from SRH Hochschule Heidelberg and completed an apprenticeship as a carpenter at Schreinerei Tempel.