Dominik Leisinger

Managing Director

Dominik Leisinger is Managing Director at Kerkhoff Cost Engineering and as Senior Consultant oversees the consulting services in the areas of cost & value engineering and Procurement 4.0. Before joining Cost Engineering, he worked as a mechanical engineer in various senior positions, including at Daimler AG, and has extensive project expertise in all aspects of the field.

Ralf Altpeter

Managing Director

Ralf Altpeter is Managing Director of Kerkhoff Cost Engineering, in charge of operational project management as well as the further development of consultancy approaches for manufacturing cost optimization using software functions, additive manufacturing and innovation engineering. Before his time at Kerkhoff he advised automotive OEMs and suppliers in the areas of product cost optimisation and management.

Bernd Stein


Bernd Stein is responsible for standardisation and project-related internal quality management as well as digitalisation of his own consulting services. Besides product development and advancement of the calculation software he takes the responsibility for complex engineering cases and is a proven expert of different manufacturing technologies.

Advisory Board

Gerd Kerkhoff

Stefanie Kerkhoff

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