About us

Authenticity, integrity and innovation are our standards for ourselves and the basis for shared success.

What we stand for

We are entrepeneur and measure ourselves on success
We are experienced and go with you new ways

We have power – with you and partners from our network


Hans-Jaan Rachner

Managing Partner

Jaan Rachner is founder and managing director of Rachner Industrial Solutions GmbH. He is an Entrepreneur from the international machinery & plant engineering sector with a clear sight for business opportunities and the ability to create sustainable values out of them.

After completing his degree at Aachen University in mechanical engineering, Jaan Rachner started his career in Madrid and, as a partner of the Küttner Group, has been responsible for numerous EPC projects in America, Europe and East Asia since 2001.

He is a successful implementor of customer requirements into innovative solutions through broad expert knowledge and integrated communication.

Dr. rer. nat. Michael Lemperle

Senior Consultant

Michael Lemperle is a senior consultant and supporter of Rachner Industrial Solutions GmbH and has an outstanding expertise in metallurgy and in thermo-chemical calculations.

After studying physics and doing his doctorate on the reaction of carbon with oxygen, Michael Lemperle headed the laboratories at KHD, developed the Corex process for VoestAlpine and joined the company as a managing director.

With great success, Dr. Lemperle developed the metallurgical process concept for large shaft furnace systems in Europe and East Asia.

Günther Herion

Active Advisor

Günther Herion is an active member of the advisory board to Rachner Industrial Solutions GmbH and has more than 30 years of professional experience in banking and management consulting.

After completing his degree in business administration, Günther Herion started at WestLB. In 2003 he moved to the Deutsche Apotheker- und Ärztebank as Chief Financial and Risk Officer.

Günther Herion has been accompanying change processes and transactions for family offices and advising companies and entrepreneurs since 2010.

Professor Dr. Christian Malek

Aktive Advisor

Christian Malek is an active member of the advisory board to Rachner Industrial Solutions GmbH and a proven expert in high-temperature process engineering.

After completing his doctorate in Clausthal, Christian Malek started in international plant engineering, initially as an accomplished process engineer, later as managing director and partner of Küttner.

In 2016 he followed his passion and is now professor for energy and resource management and head of the teaching and research center: metabolon Institute of the TH Köln.

We will be happy to advise you personally.

Do you have any questions or concerns that you would like to discuss in a personal appointment? We are pleased about your message!


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