Management SummaryStern Stewart Research

We sow today what we want to harvest in the future. Markets demand tailored solutions at speed and competitive prices. Traditional operating models reach boundaries. It is time for a radical and holistic approach to improve Go-to-Market.



Stern Stewart & Co. is the independent strategy boutique. With a truly entrepreneurial team of independent thinking personalities.
The center of gravity of an open universe of cutting edge know-how. Advising clients in strategy, transaction, performance and

Sibo Sollors

Sibo loves to embrace the client´s problems as his own – and he has successfully been the keystone in most complex projects for almost 20 years now. Sibo’s clients can be found across all industries – from the technology sector to real estate development, to automotive and mobility Industry. Being fascinated by disruptive technologies, he combines visionary ideality with profound strategic methodology. With the head in the skies and the feet firmly rooted on the ground, he is the one to make quantum leaps in organizations and business models reality.

More about minds

Johannes Tüxen

Johannes main focus is on advising clients in pre-/post-transaction situation to support profitable growth and liquidity build-up. His pragmatic and hands-on attitude accelerated the turnaround and financial return for numerous clients. His experience ranges from DAX30 1bn€ cash initiatives to developing profitable business models of digital platforms or preparing the sale of a PE-based company.

More about minds

Konstantin Wrona

Konstantin focuses on state-of-the-art organizational operating models, lean group center structures, complexity and bureaucracy reductions, functional excellence and end-to-end process optimization. His most recent work is centered around increasing digitalization and flexibility in large-scale organizations.
He combines a genuine interest in improving businesses with a strictly goal-oriented and hands-on approach. He is a key contributor to Stern Stewart thought leadership – just look at our studies on NextGenCorp, Lead, Lean, Fighting Bureaucracy, Planning 4.0 …

More about minds

Gerhard Nenning

Gerhard focuses on strategy development, typically followed by organizational transformation. His creative and rigorously independent thinking has impacted strategic decisions in growing as well as contracting businesses. Often going against the grain, Gerhard has devised ambitious growth strategies outside of the client's initial comfort zone. Conversely, he has helped prevent multi-billion investments which in hind-sight would have been crippling.
In his capacity as the Executive Director of the Stern Stewart Institute, Gerhard shapes the Institute's agenda of dialogue with leaders in business, politics, and science.

More about minds

Dimitri Belobokov

Dimitri advises clients across a range of manufacturing industries. Underlying his consulting work is one common theme: Bringing together process know-how and business sense to drive operational excellence at the same time as financial performance. Dimitri is an accomplished conductor of symphonic orchestras. As the founder of a trading house in post-communist Moscow, he is a non-executive director of one of the world's premier commodities traders.

More about minds

Marcus Middelmann

Marcus advises international clients in a broad range of industries for more than 15 years. His work is centered around developing portfolio strategies, whose implementation often involves business reengineering and transactions. As new technologies start to break down traditional value chains, he is increasingly helping clients to build new ventures.
In his client relationships, he is all about long-term commitment as a sparring partner throughout expansion and contraction and for key aspects of the CEO agenda.

More about minds