About us

Our leadership team.

The supervisory and management board at our headquarters.


Founder and member of the board at Staufen. After completing studies of mechanical engineering, Haas spent many years serving as an executive and line manager (for companies such as Daimler-Benz) as well as working in applied research (such as Fraunhofer Institute for Industrial Engineering). Trips to Japan in the early 90s were among the sources of inspiration which led him to the topic of lean management, and Haas began working as a freelancer in 1992.


Wilhelm Goschy initially acquired Lean experience at Dr. Ing. h.c. F. Porsche AG. As a senior partner and business unit head at Staufen, he has developed executives, managed large-scale projects, and designed the training program for lean experts. He has been a member of the Staufen management board since 2011. The areas of his focus are on value stream-oriented production concepts, implementing value chains and coaching executives.


Michael Hahn joined Staufen's team of consultants in 1999. During his studies of polymer technology, he gained industry experience at Robert Bosch GmbH. At the Japanese factory-planning company Chiyoda, he worked as a project engineer who contributed to international greenfield projects for OEMs in the automotive industry. A main area of focus was planning and constructing a new plant for Daimler in Juiz de Fora, Brazil.


Markus Riegger has worked for Staufen since 2008. His career began as a continuous improvement process manager at Daimler. In the Mercedes Car Group, he served as a Mercedes production system expert in South Africa, the Netherlands and at German sites, and he helped implement the Mercedes-Benz production system. In his position as the head of DaimlerChrysler production system direct processes at the Mercedes Truck Group, he was responsible for implementing shopfloor management and coaching at the plant in Wörth, Germany and at Japanese sites for FUSO trucks.


In addition to founding and developing the Staufen Group, Ralf Stokar is the CEO and stakeholder in holding companies and is responsible for their acquisition, re-orientation and improvements in profitability.

Our leadership team

International managing directors.

Dário Spinola has been implementing Lean for 14 years in Brazil, China as well as delivering coaching, workshops and lectures in other countries. For Taktica Lean Consulting he worked with Alstom Hydro in China for 6 years and has directly managed the machines transformation from old factory to its brand new factory in Tianjin, under Lean and TPM approach. Also for Alstom Hydro, Mr. Spinola has provided coaching to: establish lean strategic planning, develop a lean production system for Alstom Hydro, he has established the framework and the Lean Engeneering audit for China, India and Brazil. He is managing director of Staufen Taktica in Brazil.

Has over 15 years' experience in restructuring as a banker at UBS, a project manager at a stock market-listed plant engineering firm, the CEO of an IT company, and a consultant. Beyond that, Pierre-Yves Matile has an extensive background in implementing lean management for market leaders in Europe. At Staufen he is responsible for defining and implementing restructuring measures; furthermore, he serves as the principal at the Staufen country offices in Central Eastern Europe.

Monden studied industrial technology and management in Germany and has over 13 years of executive experience in a variety of industries, including automotive, aviation and aerospace, transportation, processing, energy and sustainable solutions. After serving as managing director at the MBtech Group China, he consulted with clients about improving their business activity, including strategic positioning and structural and operational adjustments in China and in international projects. He has a solid foundation of experience in the fields of interim management, strategy implementation and turnaround management. He has been Managing director of Staufen Shanghai since 2016.

Lima began his career by developing production scheduling systems for industrial applications. In this period, he also completed his MS and PhD in industrial engineering. He then became an assistant professor of process technology at the University of Campinas. Close contacts to the industry allowed him to be an advisor to several research projects about cost management. In the years that followed, he was part of multiple lean transformation projects in the automotive sector and metal engineering. In 2001, he founded his consulting agency Taktica and expanded his competence in lean projects in Brazil and overseas.

Dr. Hirt studied chemistry at the University of Applied Sciences in Reutlingen, Germany and the University of Basel, Switzerland. He finished his doctorate at the University of Basel in 2000. Dr. Hirt worked in the international chemical industry at Ciba and BASF. At BASF, he was responsible for implementing a variety of global Lean Management projects in operational and innovation management; his task was also to transform entire locations. As the secretary of the executive committee at Ciba, he was in charge of senior projects as well as several different departments and technologies. Within the Staufen Group, he is a member of the management of Staufen.Inova AG in Switzerland.

Hodel has extensive industry knowledge due to his many years of management work in the fields of telecommunication and IT, production of electronics and power tools, industrial automation and sensor technology, single-part production, medical devices, food, equipment and equipment manufacturing. As a line manager, Jürg Hodel was an early adopter of the Toyota production system in production, logistics and supplier integration, and he understands the issues and challenges of Lean Management thanks to his long years of experience. Jürg Hodel has been active at Staufen.Inova as a consultant and partner since 2012.

He began his consulting career in 1989 at large and mid-sized enterprises, including work in the chemical industry at Enichem and Grace in the organizational department. Later he developed TQM approaches and methods, and he implemented projects focusing on business process re-engineering and lean organization. His current main activities include process re-engineering, factory re-organization and product development.

For over twenty years, Salomone has served as a consultant to mid-sized and large companies in Europe. He has experience in the food and beverage industries (at Unilever, Bakemark, Galbani, Lavazza, Bonduelle, Leaf, Heineken, BBH-Baltika, Castello) and many years of experience in the automotive (tier 1, tier 2) and textile industries. Fabio Salomone is also a senior expert and trainer for outdoor education. He is the head of the Staufen country office in Italy.

Gawroński began his career at Staufen as a key figure in the design and implementation team in Faurecia, where he had a major influence on the factory facilities in Walbrzych becoming a BestPractice role model for other facilities. As a logistic manager, controller and CEO of WTC, he successfully restructured the company. The result was the best results in corporate history, thanks to the positive transformation process and continuous improvement. He then successfully managed optimization activities in SRG Global INC Poland and Cargotec Poland. Grzegorz Gawroński has been CEO of the Poland country office since December 2016.

After several years of experience at the four-cylinder diesel engine production segment of Audi Hungária, he switched to the in-house consulting team of Audi in Germany. His focus is on conducting kaizen workshops before and after SOP in engine and vehicle production as well as developing and implementing a variety of lean methods and tools. Furthermore, he actively contributed to the concept development of the new lean production system at Audi and the VW Group. At Staufen, he has been the principle in a variety of different lean transformation projects. He serves as the country manager for the Staufen Country Office Hungary.

Medellin brings over 20 years of Lean experience from the automotive industry to his consulting work. His career trajectory led him from a position as a production engineer through several different stations until he became a plant manager who won the "Best Lean Plant" award in 2000. In his work as a consultant, he supports highly respected companies and their international plants in consistently implementing Lean philosophy. His work with Dr. Jeffrey Liker helped him become the vice president of the TOYOTA Way Academy in Latin America, among other things. Arturo Medellin has worked for Staufen since 2012, and since October 2016 he has been the general manager of Staufen America with its headquarters in Mexico City.


Senior Advisor in Germany

In his work at Staufen, Thorsten Amann can draw upon over 25 years’ experience as an entrepreneur, investor, corporate consultant and banker. After completing his studies of mechanical engineering at the University of Stuttgart and a master of science in advanced manufacturing systems, Brunel University London in 1990, Amann launched his career at Commerzbank. He went from their trainee program to serve as a consultant to key clients in London, Los Angeles, Hong Kong and Frankfurt, where he worked in M&A. A short stint into the new economy then brought Amann to KPMG in 2002, where he worked as a partner until 2013. He was active in China / international markets practice on a national and European level and managed strategic staff deployment on a global basis as well as overseeing internationalization strategies for mid-sized manufacturing companies. In 2013, Amann joined the executive board at Staufen. He is now a senior advisor.

Ulrich P. Hermani has acquired extensive knowledge about national and international mechanical engineering over the course of the many stations of his career, which include positions at an economic research institute, politics, mechanical engineering companies and professional associations. As a result, he has established corresponding networks to representatives of politics, science and economic groups. For over 20 years he successfully led the Baden-Württemberg chapter of the German Mechanical Engineering Industry Association; in this position he offered consultation and guidance while representing their interests vis-à-vis politicians, banks, research institutions and business organizations. His areas of focus are consulting in the fields of corporate strategies and successorship, HR management, analysis of international markets, international collaborative projects, and studies on competitive ability in the field of mechanical engineering.