Our profile


Efficient and sustainable growth is the key success factor for leading companies - and the consulting vision of the Lean Group.

As an internationally oriented consulting company, we focus on the areas of customer experience, business transformation, performance improvement and project management.

By combining industry-specific expertise and state-of-the-art efficiency strategies, we continuously optimize value creation. Tailor-made programs make corporate structures fit for the future and guarantee sustainable success.

Managing Directors

  • Theo Herzog

    Managing Director
    Frankfurt, Hamburg

    Operations, Information and Technology Expert

  • Dr. Christoph Schaller

    Managing Director
    Frankfurt, Stavanger

    Expert for the project industry

  • Dagfinn Seglem

    Managing Director
    Norway

  • Prof. Dr. Benjamin Bader

    Senior Advisor