Janusz Siemieniec – Biography
Last update: January 30, 2026Executive profile
Janusz Siemieniec is currently
Member of the Supervisory Board at Boryszew - View - Boryszew org chart
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The colleagues of Janusz Siemieniec
Company Colleagues
- At Boryszew, Janusz Siemieniec has 15 colleagues including Wojciech Kowalczyk (CEO), Miroslaw Kutnik (Vice Chairman of the Board)…
Homonyms
- Janusz Siemieniec - Director - Alchemia
Industry Colleagues
- In the Chemicals industry, Janusz Siemieniec has 17,144 colleagues in 907 companies located in 66 countries. 10,222 executive movements have been recorded in the last 12 months. Learn more about Chemicals.
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