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Michael Rünz – 30+ years with Deloro

Aug 05, 2026

  • Apprenticeship
  • Inside Deloro
More than three decades of company history, told firsthand: In this interview, Deloro CEO Michael Rünz looks back on his journey at Deloro, from his apprenticeship and international leadership roles to his responsibility as CEO of a global group of companies. He speaks openly about defining decisions, bold moves, emotional moments, and the challenges of numerous changes in ownership.
Michael Rünz – 30+ years with Deloro

How did you become part of Deloro, and how has your career journey unfolded?

Shortly before graduating from school, my mother passed away unexpectedly. That completely changed my plans for university applications. To avoid losing time, I decided to start an apprenticeship immediately after graduation.

I submitted applications to Stabilus, Scania, Deloro, and Schmalbach. Deloro did not respond at first, so I signed a contract with Scania. However, Scania was not willing to shorten the apprenticeship period. After signing the contract, I learned about the so called “Mittelrhein Model,” a dual-track program that combined an apprenticeship in business administration with university studies in economics at the VWA (Verwaltungs- und Wirtschafts-Akademie Koblenz).

When Deloro eventually got in touch, I strongly advocated for participating in the Mittelrhein Model during the interview. Once this was approved, I terminated my contract with Scania and, on August 1, 1991, began my apprenticeship in business administration at Deloro and the VWA business studies.

After completing the two years of my apprenticeship, during which I gathered insight across several areas of the business, I spent an additional year as a management trainee while continuing my studies. During that time, I worked in Inside Sales as the assistant to the Export Sales Manager for Asia.

After successfully graduating from VWA, I was offered a permanent position at Deloro. However, the offer fell short of my expectations, so I joined the Allgemeine Kreditversicherungs AG in a management trainee program and later moved to Bose GmbH, a manufacturer of speaker systems.

At Bose, a colleague and I developed and implemented a sales strategy for the company’s professional product line, helping to establish and grow that business segment focused on use in chains like Burger King or in large clubs, exhibition centers or hotels.

About a year after I had left Deloro, my former manager, Jürgen Kuffner, called me and asked whether I would be interested in returning to take on the role of Export Manager for Asia, Pacific, Africa. Given my strong interest in international business and different cultures, I did not want to miss that opportunity.

So, on September 1, 1995, I returned to Deloro – this time with full responsibility for a sales budget of approximately 10 million Deutsche Mark across a number of geographically distant and highly diverse markets.

My further career was shaped by changes taking place within the company, particularly the ownership change to a private equity investor in 1997. This has triggered the acquisition of businesses with operations in Italy and France.

Thanks to my language skills, I was asked to take a closer look at the newly acquired company in France. About one year later, the Group CEO approached me and offered me the position of Managing Director of the French business – which I accepted without hesitation. At the age of 29 years, I moved to the south of France to run an investment casting operation with around 150 employees.

I spent about six years in that role and successfully repositioned the company, reshaping its strategy on medical implants. These changes, combined with a bolt-on acquisition in 2005 for finishing and polishing of implants, strengthened the business and made it a market leader in Europe.

In 2006, the group’s new owner asked me to take over as Managing Director of the Koblenz operation while remaining President of the French company, focusing exclusively on its strategic direction. I therefore handed over the day-to-day management in France and returned to Koblenz.

Back in Koblenz, I had the pleasure to oversee a major investment program during my first years which was accompanied by a period of strong sales growth. The global financial crisis of 2008 brought this phase to a sudden halt. However, we recovered quickly, and the Koblenz site continued its international expansion through the acquisition of a company in Italy and the establishment of a new operation in India.

When our investor entered into discussions with the management team regarding a potential sale of the company to Kennametal in 2011, we actively supported the process. Ultimately, on December 1, 2012, the shares held by both the private equity investor and the management team of the Deloro Stellite Group were sold to Kennametal.

The subsequent integration into the corporate culture of Kennametal, a US listed company, was a fundamental change for Deloro, its employees, and its culture.

For me, it created the opportunity to join Kennametal’s European executive team and spent approximately three years in Schaffhausen, Switzerland. I was in charge of several business units, while continuing to oversee Deloro’s sales operations in Koblenz. Clearly, Deloro did not do well with the ownership change.

With the change of the Kennametal CEO, I seized the opportunity to demonstrate that Deloro’s integration into the corporate group was not contributing to its long-term success. As a result, I was asked to develop a strategic proposal for reshaping Deloro’s European businesses and positioning them for future growth.

I was ultimately asked to implement this proposal myself. Just two months after the new structure had been put in place, I was informed that the business had achieved a level of independence that made a divestiture from Kennametal feasible.

It soon became clear that my role would extend beyond supporting the sale process – I would be leaving Kennametal together with Deloro as part of the transaction.

After what was undoubtedly a challenging and eventful sales process, Madison Industries acquired Deloro on December 1, 2015. Since then, I have held the position of CEO for Deloro Group. After about 6 years under Madison ownership, they decided to divest the business, and I accompanied another sale process.

Also with our new owners, which acquired Deloro on February 1, 2022, I have the privilege to continue in this role. In addition, I was asked to take over responsibility for two other companies in the owner’s portfolio.

The past 30+ years with Deloro have been anything but boring – they have been very vibrant, enriching and full of experiences.”
Michael Rünz

Did you ever imagine that you would still be with Deloro 30+ years later?

In the early years, certainly not. But there is something about Deloro that creates a strong emotional connection. I would not be honest if I pretended that I had never considered alternatives over the years. However, the combination of a relatively small company with global reach, diverse markets, and a wide range of technologies is what makes Deloro so unique, attractive and a combination that remained incredibly compelling throughout my career.

Looking back on your 30+-year career, which moment had the greatest impact on you?

The most significant moment was helping Deloro regain its independence after the separation from Kennametal. After years as part of a large corporate structure, it was highly rewarding to lead the company into an independent future and build on its core strengths and capabilities together with a new owner.

Which Deloro project or product are you particularly proud of?

The answer is not a single product or project. What I am proud of is the fact that, for decades and under very different and permanently changing ownership structures, Deloro has consistently generated the financial strength to fund its own development – and, in many cases, support other companies within the group. That strength has enabled us to provide secure jobs for our employees throughout more than 50 years of the company’s history, something that unfortunately can no longer be taken for granted in today’s business environment.

There have been far too many successes, projects, and milestones over the years to name them all. However, I would highlight the acquisition and successful development of Deloro Coatings in Italy, achieving nuclear industry qualification as one of the first suppliers in Europe, and the development of high-performance alloys – particularly in the years since Deloro regained its independence and has been able to focus entirely on its own strengths and capabilities.

Finally, I am particularly proud of the work we did to define and embed our core values – Courage, Credibility, and Respect. These principles have been at the heart of our company culture now for many years and continue to guide the way we work together.

Which organizational, technological, or structural changes would you consider your most lasting contribution to Deloro?

Without a doubt, it was the family-oriented company culture: Including short decision-making paths, direct communication, and an emphasis on proactive, solution-oriented thinking and personal responsibility over rigid adherence to rules and regulations made Deloro a unique place to work.

Our employees are probably best positioned to answer that question though.

“Common sense beats structure / process”


Michael Rünz

What has changed in Deloro over the past 30+ years? And what is good that it did not change – and why?

During that time, Deloro transitioned through seven different owners: from Thermadyne to Morgan Grenfell Private Equity in 1997, Vision Capital in 2002, Duke Street Capital in 2006, Kennametal in 2012, Madison in 2015, and a U.S.-based family owner in 2022. These ownership changes were highly challenging and each single one triggered change and different styles and priorities, but Deloro successfully navigated through each of them.

Particularly in the last decade, there is a significant increase in the need for digitalization. Whereas middle management was primarily shaped by engineering and production backgrounds, areas such as digitalization, ERP systems, cybersecurity, and, artificial intelligence have become increasingly important.

At the same time, changing market requirements have elevated the role of engineering, development and quality management, making them critical drivers of future success.

What has not changed is …

  • Loyal employees with a strong commitment to the company
  • Our family-oriented culture and a respectful approach to working together
  • Short decision-making paths
  • An unwavering focus on wear protection solutions
  • The name “Deloro” and the Star

The business world is being transformed by sustainability, digitalization, and new manufacturing technologies. Looking back to the beginning of your career, what developments or opportunities that are part of our reality today could you never have imagined at the time? What is your perspective on these changes?

Certainly, there are many aspects in our daily work today that I could never have imagined at the beginning of my career. The most significant change in my view is the impact of artificial intelligence. It is opening up possibilities that will fundamentally transform the way we work.

The growing focus on sustainability has impacted on many of our traditional markets. As a provider of wear protection solutions, a significant part of our business is linked to high-temperature applications. Many of these sectors – such as diesel technology, coal-fired power generation, and the oil and gas industry – are now being critically reassessed. Over the past few years, we have successfully developed new applications and markets in different sectors – and – at the same time, have recognized the importance of our products and solutions for a more sustainable world. Wear protection contributes to extending lifetime, enables recycling and repair rather than replacement, and thus reducing waste, with reduced friction leading to increased efficiencies and full internal cradle to cradle use of raw material – to just name a few examples.

When your professional journey somewhen has come to an end, what achievement or legacy would make you most proud?

I hopefully still have a few years ahead of me, but it is an interesting question – and one that I genuinely think about. As you might know, I am responsible not only for Deloro Wear Solutions in Koblenz, but also for other companies within the Deloro Group. Each of these businesses is on its own journey, facing its own challenges, periods of strength, and critical times.

I want to be able to look back on a group of companies that is sustainably positioned – serving strong customers in strong and resilient markets – and making a meaningful contribution to a changing world through its products and services.

In a nutshell:

  1. Secure jobs for our employees through customer-focused thinking and actions, supported by economic strength and consistent growth.
  2. Innovation through continuous R&D, delivering customized solutions and unique proprietary alloys.
  3. An even stronger international presence, both in sales presence and with manufacturing locations.

What rules of thumb or personal convictions have guided your business decisions over the years?

  • Bias for action
  • Entrepreneurial behavior
  • Ask for forgiveness rather than approval to gain speed

What makes Koblenz – and Germany more broadly – an attractive place to do business today?

A particular strength of Koblenz – and Germany as a business location in general – remains its highly qualified workforce and its political stability. For Deloro in Koblenz, proximity to our largest customer is an important advantage.

What would you like to see changed? And what would you like to see from the federal government to strengthen Germany’s economic competitiveness?

Our country is still burdened by complex structures and excessive bureaucracy which often slow down innovation. We need more courage and speed, and a culture of doing rather than limiting and overregulating.

Tax relief can help, but it is not the key lever.

Instead, we should decide which industries we want to support and then actively promote those sectors through research, university funding, and targeted investment. Progress remains too slow and changes too cautious. The available funds for investments need to reach future-oriented projects more quickly and with less bureaucracy and strengthen the country in the longterm. So far, their impact and deployment have been limited.

What direction should Deloro take to ensure long-term success over the next three decades?

First and foremost, we need an even stronger focus on our customers and their needs. Satisfied customers are the foundation of any sustainable success.

Second, innovation will be critical – continuously adapting and improving our products and solutions to meet the evolving needs of our target markets.

Looking back, what advice would you give the young Michael Rünz and other aspiring leaders?

Nothing is impossible. Think proactively, take initiative, make yourself visible, and don’t let hierarchies or middle management hold you back. Stay curious and get involved.

At the same time, don’t lose sight of the fact that there is more to life than work – maintaining a healthy balance is important, ideally from the very beginning.

We’ve talked a lot about your role as CEO. What does Michael Rünz actually do when he’s not busy running the company?

I enjoy traveling and spending time with my family and friends in Southern France and Switzerland. A winter without skiing in Switzerland is not really a winter – and a summer without a glass of rosé in Southern France is not really a summer.

I try to stay fit by running, and I still haven’t given up mountain biking – although I often struggle to find enough time for it.

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