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Merck KGaA. (8/6/20). "Press Release: Leadership Change within Group Communications at Merck". Darmstadt.

Organisations Organisation Merck KGaA
  Group Merck (DE) (Group)
  Organisation 2 BASF (Group)
Products Product public relations / investor relations / marcom (services)
Persons Person Möller, Thomas (Merck (DE) 201701–202112 Head of External Communications before BASF LEFT 1/22)
  Person 2 Birnstiel, Constantin (Merck (DE) 201705– Head of Group Communications before Uniper + Osram + Siemens)

Constantin Birnstiel (49), Head of Group Communications since 2017, is leaving Merck upon his own request. He is being succeeded with immediate effect by Thomas Möller (44). The company made this announcement today in conjunction with the publication of its half-year results.

“I cordially thank Constantin Birnstiel for his engagement and the results achieved in positioning Merck as a science and technology company as well as in purposefully advancing our communications activities. I wish him continued success and all the best,” said Stefan Oschmann, Chairman of the Executive Board and CEO of Merck. “Thomas Möller is an experienced communications professional with excellent knowledge of Merck. I am really looking forward to collaborating with him further.”

Constantin Birnstiel joined Merck in 2017 after having worked for Siemens, Osram, E.ON, and Uniper. The 350th anniversary celebrations, the divestment of the Consumer Health business and the acquisition of Versum Materials took place during his time as Head of Group Communications. Furthermore, Birnstiel was responsible for building the company's brand identity in China. Together with Möller, Birnstiel established Merck’s global newsroom, which was successfully launched in 2020. Over the past several years, the two have also resolutely driven the digitalization of Group Communications.

Thomas Möller joined Merck in 2017 and was most recently responsible for Corporate Communications. Before coming to Merck, he worked for BASF and held various Corporate Communications positions in Germany, the United States and Switzerland. Like his predecessor, he will report directly to Stefan Oschmann, Chairman of the Executive Board and CEO.

For more information, please contact Friederike Segeberg
+49 151 1454 6328

All Merck Press Releases are distributed by e-mail at the same time they become available on the Merck Website. Please go to to register online, change your selection or discontinue this service.

About Merck

Merck, a leading science and technology company, operates across healthcare, life science and performance materials. Around 57,000 employees work to make a positive difference to millions of people’s lives every day by creating more joyful and sustainable ways to live. From advancing gene editing technologies and discovering unique ways to treat the most challenging diseases to enabling the intelligence of devices – the company is everywhere. In 2019, Merck generated sales of € 16.2 billion in 66 countries.

Scientific exploration and responsible entrepreneurship have been key to Merck’s technological and scientific advances. This is how Merck has thrived since its founding in 1668. The founding family remains the majority owner of the publicly listed company. Merck holds the global rights to the Merck name and brand. The only exceptions are the United States and Canada, where the business sectors of Merck operate as EMD Serono in healthcare, MilliporeSigma in life science, and EMD Performance Materials.

Record changed: 2023-06-05


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