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The Board of Management of Sachtleben GmbH

Prof. Dr. Wolf-Dieter Griebler was born in Bad Harzburg, Germany. After training as a laboratory assistant, he studied chemistry and economics at the University of Marburg. Following successful completion of his first degree course as a Diplom-Chemiker (university-qualified chemist) in 1975, he attained the title of Dr. rer. nat in 1978.

After a number of years of practical industrial experience in the production of transitional metal oxides, carbides and pure metals, followed by several years of work in special research under the auspices of the Deutsche Forschungsgemeinschaft (German Research Foundation), he joined Sachtleben Chemie as a chemist in the research department, overall management of which was entrusted to him in 1986. He was appointed a director in 1991, having in 1989 also been assigned responsibility for the Fiber Pigments Business Unit and for its expansion into Sachtleben's core business. From July, 1998 to August, 2008, Prof. Dr. Wolf-Dieter was Chairman of the Board of Management of Sachtleben Chemie. He becomes Chief Executive Officer (CEO) of the new Joint Venture with effect from September 1, 2008.
As a committed intermediary between theory and practice, Wolf-Dieter Griebler has, since 1997, taught "Industrial Project Management in the Chemicals Industry", on the campus of the University of Duisburg-Essen. For his services, Dr. Griebler was appointed professor honorius by the university in October, 2005.


Dr. Andreas Grünewald initially studied economics at the University of Dortmund, subsequently moving on to the Westfälische Wilhelms-Universität, in Münster. After qualifying as a Dipl.-Kaufmann in the spring of 1989, he was employed as a scientific assistant at the University of Münster, pursuing during this period the doctorate (Dr. rer. pol.) awarded to him in 1992.
After commencing his industrial career in the central financial department of Dr. August Oetker KG, the Oetker group's holding company, Dr. Andreas Grünewald took over the financial management of "Chemischen Fabrik Budenheim Rudolf A. Oetker", a further division of the Dr. Oetker group, in 1997. Dr. Grünewald, a native of Essen, moved to Dynamit Nobel AG as Senior Controller in July, 2000. Following the takeover of this business by Rockwood Specialties Group Inc., Dr. Grünewald was assigned responsibility for Corporate Controlling within the Rockwood group. He was appointed director with responsibility for Finance and Controlling in the Rockwood Specialties Group GmbH in mid-2007. Dr. Grünewald has been Chief Financial Officer on the Sachtleben Board of Management since September 1, 2008.

Juha Mäkinen studied chemical engineering and economics for engineers, completing his training as a Master of Business Administration. He then commenced his professional career as a marketing and sales engineer for corrosion-protection paint systems at the Tikkurila group in Finland, in 1984. Tikkurila, a former family-owned enterprise, has represented the paints and coatings segment of Kemira Oyj since the 1970s. As Sales and Marketing Manager from 1986 to 1989, Juha Mäkinen significantly expanded Tikkurila's market share in the field of marine paints. He subsequently spent two years living in the Netherlands, a period in which he acquired numerous strategically important new customers for the company. In 1992, he move to the Industrial Paints division, and became Vice-President of the Metal Paints division in 1993. He was Vice-President of the Tikkurila group from 2003 to 2006, and was responsible in this post inter alia for production, logistics and restructuring. He was managing director of Kemira Pigments Oy from the end of 2006 onward. Within the Board of Management of Sachtleben, Juha Mäkinen is responsible, as Chief Commercial Officer, for all sales and marketing activities.