MTS Consulting Partner
Dipl. Ing. Gebhard Mayer and Prof. Dr. Dietmar Stemann – founders and owners of MTS Consulting Partner, with many years of industry and management skills, broad knowledge of relevant systems and initiatives such as ISO 9000, TS 16949, Six Sigma – have actively implemented those alongside a wide experience in line management functions.
Furthermore, both are involved in teaching at universities and various educational institutions.
Prof. Dr. Dietmar Stemann comes from a statistical background and Dipl. Ing. Gebhard Mayer from electrical/electronics.
Mayer and Stemann are a perfect team for the management consultancy in the fields of food, automotive, chemicals, machinery and equipment, electronics, Telecommunication and services (focus on logistics, banking, hotels and restaurants). In the food industry, both have very extensive project and deployment experience.
Our references in over 30 companies are ranging from Armstrong, BMW, Behr, Cherry, Daimler, ETO, Eurostrand, Leipa, Mars, Mercedes Benz Cars R & D, MBtech to SGF, Swiss electronics, Triumph and ZF.
Our core competences
- Management and coaching of a wide range of Design for Six Sigma, Lean Six Sigma and Quality Management projects
- Delivery of projects and trainings worldwide
- Development and global deployment of Design for Six Sigma and Lean Six Sigma Methods & Concepts
- Employees with long-term practical experience, Management experience (10 plus associated partners)
Meet Our Team

His main strenghts are a systematic way of working, paired with data ananalytics as well as root cause thinking and a visualization which is very important and helpful in complex projects.Read more…








Gebhard Mayer - Managing Partner, Master Black Belt
Dipl. Eng. Gebhard Mayer has very intensive and longterm experiences in the management of R&D, production, quality and also engineering.
His spectrum of competencies contains many items from different industrial branches.
His main strenghts are a systematic way of working, paired with data analytics as well as root cause thinking and a visualization which is very important and helpful in complex projects.
He has a high acceptance as a Coach for Six Sigma and Design for Six Sigma but more and more with a goal oriented integration of Data Mining and Process Mining. With respect to his well founded technical skills his is also a competent and strong partner for a development and implementation of customer specific concepts for Industry 4.0.
Prof. Dr. Dietmar Stemann - Managing Partner, Master Black Belt
Prof. Dr. Dietmar Stemann is the Managing Director of MTS ConsultingPartner and he has many years of experience in product and process improvement with Lean Six Sigma and Design for Six Sigma (DFSS). Its strength lies in the consistent introduction and implementation management for Six Sigma and Lean. He has in-depth experience in the international upper middle class and international corporations.
Prof. Dr. Dietmar Stemann, born in 1966, graduated with this doctorate in 1997 with a topic of statistical online production monitoring from the Technical University of Dortmund.
At the University of Hagen, he worked as a project manager for educational software and still is a lecturer at the Technical Univerity of Dortmund. During career at Nokia, he worked for the systematic Lean Six Sigma – implementation and for the global Six Sigma Strategy Development, responsible in the care of the improvement teams focused on optimizing the E2E entire supply chain, and in the foreground.
He is the Managing Director of MTS ConsultingPartner und works as a consultant, trainer and coach for executives and Six Sigma project managers.
Its strength lies in the consistent implementation of Six Sigma in the organisation. Furthermore he integrates the new methods (Big Data, Data-Mining, Process Mining, Industry 4.0…) in Lean Six Sigma to be prepared for the new challenges in the future (like the complexity of products and processes).
Andreas Rieß
With nearly 30 years of experience in the automotive industry, Dipl.-Ing. Andreas Rieß is an expert in product and process development, manufacturing optimization, and supplier management. His greatest strength lies in his ability to quickly understand complex processes and work in a data-driven manner. Clients appreciate his quick comprehension and his ability to handle unstructured data excellently. As a Six Sigma expert, he excels in task force projects and brings extensive analytical skills in advanced data analysis.
He has extensive international experience in project work, training, and coaching. His expertise in data science and data literacy enables him to make data-driven decisions and conduct complex data analyses. Additionally, he has the ability to understand technical contexts and link them with the data world.
Thomas Solecki - Senior Consultant Six Sigma Master Black Belt

Thomas Solecki has been a certified Six Sigma Black Belt since 2003 and has completed an apprenticeship within Lean Project Implementation. Many years of professional experience in the automotive industry as a project manager and an expert in methods – with a focus on Six Sigma and Lean – shaped his sense of process optimization. His industry expertise comprises of automotive industry as well as the electronic industry.
His certification as a Master Black Belt in January 2016 supplemented his personal Six Sigma journey.
The core competencies of Thomas Solecki within the Six Sigma is the DMAIC methodology, together with related tools, Lean Manufacturing and holistic Continuous Improvement.
He possesses a high degree of independence and creativity, a keen analytical mind and a great sense of responsibility that complements his customer-oriented focus in his projects.
Tobias-Daniel Stein - Senior Consultant, Master Black Belt

Dipl.-Ing. (BA) Tobias Stein has over 15 years of experience in the field of process improvement in environmental engineering, automotive and the food industry. Activities included training, coaching, project implementation and deployment of Six Sigma and Lean content as well as structured, detailed procedures. He is always focussed on one question: So how do we now implement this to get results?
He always tries to bring a comprehensive understanding and structures new content and challenges to drive clarity and adds his own humor to the mix.
Karlheinz Eckert - Senior Consultant, Six Sigma Master Black Belt
Karlheinz Eckert Dipl. Ing. Mechanical Engineering has been working as a consultant for more than 12 years.
His main focus is: development and design, training, quality improvement and optimization of yield.
Mr. Eckert has experience from a wide range of industries such as automotive, glass industry, plant engineering, household appliances and the solar industry
Karlheinz Eckert Dipl. Ing. Mechanical Engineering has been working as a consultant for more than 12 years.
His main focus is: development and design, training, quality improvement and optimization of yield.
Mr. Eckert has experience from a wide range of industries such as automotive, glass industry, plant engineering, household appliances and the solar industry.
“Only when we, leaders and employees, understand our work holistically, as an element within the overall company, can we achieve sustainable improvements.”
In addition to consulting work, Mr. Eckert is a lecturer at Baden-Wuerttemberg Cooperative State University for project management and problem solving with Six Sigma.
Marcus Lottig - Senior Consultant, Black Belt

Dipl. Industrial Engineer Marcus Lottig has over 15 years of experience in the automotive industry, and has acquired an array of skillset within a variety of leading functions in quality management and production. His knowledge, and a combination of monitoring and implementation of various projects, with a focus on analysis and standardization of processes, has given him a well-balanced understanding.
His skills extend to seminars and the active co-development of holistic training concepts in the financial and food industry. The strengths of Marcus Lottig are the structured and / or adapted application of the Six Sigma methodology, according to the slogan “The number is the essence of all things (Pythagoras, 580-500 B.C.)”.
As a certified coach, his focus is therefore in the areas of Lean and Six Sigma.
Edmund Wojda, Senior Consultant, Green Belt

He introduced methods for lean management, lean organization and Six Sigma in companies.
Mr. Wojda has many years of experience in a variety of industries and at all hierarchical levels, including in the automotive, plant construction, quartz glass, telecommunications, healthcare and supply industries.
Mr. Wojda has his broad and solid knowledge used, as a lecturer,
at the Baden-Württemberg Cooperative State University for Project Management, Communication and Conflict Resolution to teach his students.
Jacqueline Schmitt, M.Sc. in Mathematical Economics
Jacqueline Schmitt, M.Sc. in Mathematical Economics, specializes in the use of data-driven methods in the context of process improvement and quality assurance in the automotive, electrical and process industries. Her strengths lie in artificial intelligence and data mining. Ms. Schmitt has gained experience in various research and consulting projects as part of her activities as a research assistant.
Thijs Panneman, Expert in Lean and Six Sigma Training
Thijs Panneman is an expert in Lean and Six sigma training and has trained over 50 factories in more than 25 countries in the last 15 years. As a master trainer, he has a passion for teaching and coaching others to lead a six-sigma project or transform their organization using the Lean and Six Sigma principles.
To help share the knowledge of Lean and Six Sigma, Thijs has published two management books; Lean Transformations (2017) and Six Sigma DMAIC (2021) and one small pocket-book; Sustainable 5S (2020).
Josef Jindrich , Senior Consultant, Six Sigma Black Belt
Dipl. Ing. Josef Jindrich spent over 20 years in FMCG industry. He received his first Six Sigma training in 2008 and since then became a Lean and Six Sigma believer and enthusiast. He brings massive practical experience gained in many successful projects focused on process simplification, waste reduction and efficiency improvement in various areas of FMCG businesses.
As a leader of several R&D teams Josef had also chance to apply Six Sigma toolkit in product and technology development projects. Having native Czech speaker in the team extends our training possibilities for Czech and Slovak companies where training would need to be completed in local language.