Management Board

Chief Executive Officer

Marc Grynberg, 54

Marc Grynberg was appointed Chief Executive Officer in November 2008 after heading the Automotive Catalysts business unit from 2006 to 2008, and serving as CFO of Umicore from 2000 until 2006. He joined Umicore in 1996 as Group Controller. Prior to
joining Umicore, Marc worked for DuPont de Nemours in Brussels and Geneva. He holds a Commercial Engineering degree from Solvay Brussels School of Economics and Management.

Chief Financial Officer

Filip Platteeuw, 47

Filip Platteeuw was appointed Chief Financial Officer in November 2012. He joined Umicore in 2004 and served as VP Corporate Development from 2010 to 2012 and was instrumental in streamlining the business portfolio, including the divestment of the copper and zinc smelting operations. Prior to Umicore, Filip worked for KBC Bank, taking up positions in corporate banking, equity market research and investment banking. He holds Master degrees in Applied Economics and Financial Management from the University of Ghent and the Vlerick Management School, respectively.

Executive Vice-President Energy & Surface Technologies

Denis Goffaux, 52

Denis was appointed  Executive Vice-President Energy & Surface Technologies in 2018, after serving as Chief Technology Officer from 2010 to September 2018 and EVP for Precious Metals Refining from 2015 to 2018. Prior to that, he occupied successive business line and country management functions in China and Japan. Denis began his career at Umicore with Research & Development in Olen, before moving to what was then our Cobalt & Energy Products Business Unit. He holds an Engineering degree from the Université de Liège.

Executive Vice-President Catalysis

Ralph Kiessling, 55

Ralph was appointed Executive Vice-President Catalysis on 1 February 2019, after serving as Senior Vice President Operations for Automotive Catalysts since 2015. He previously occupied successive management functions in process technology, production and business controlling, including 5 years in China. In 2012 he moved to India where he built Umicore’s automotive catalyst plant. Prior to joining Umicore, Ralph held management positions in the Degussa group from 1995. He holds a PhD degree in Chemical Engineering from the University of Erlangen, Germany.

Chief Technology Officer

An Steegen, 49

An Steegen joined Umicore and was appointed Chief Technology Officer in October 2018, after serving as Executive Vice President Semiconductor Technology and System R&D at imec, a leading research center with a focus on nanoelectronics and digital technology innovation. Prior to joining imec in 2010, An worked at IBM's Semiconductor Research & Development center in Fishkill, NY and in the last several years of service at IBM, was in charge of the bulk CMOS technology development. She has a PhD degree in Material Science and Electrical Engineering from the Catholic University of Leuven, Belgium.

Executive Vice-President Recycling

Stephan Csoma, 55

Stephan Csoma was appointed Executive Vice-President Recycling in 2015, after serving as EVP of the former Performance Materials from 2012 to 2015, SVP Government Affairs from 2009 to 2012, and SVP South America from 2005 to 2009. Stephan joined Umicore in 1992 and set up Umicore’s first industrial operations in China in the mid-1990s and went on to lead the Zinc Chemicals business unit. He holds degrees in Economics from the UCL University of Louvain and Chinese/Mandarin from Fudan University in Shanghai.

Executive Vice-President

Géraldine Nolens, 48

Géraldine Nolens was appointed Chief Counsel for the Group in 2009 and joined the Executive Committee in 2015. She started her career at the international law firm Cleary Gottlieb Steen & Hamilton before joining GDF Suez (now Engie) in 2001, where she was Electrabel’s Chief Legal Officer for Southern Europe, France and new European markets. Géraldine’s career includes periods working and living in the US, Germany, Italy and Belgium. She studied law in Belgium and Germany before obtaining her Master of Laws at the University of Chicago.