Jan-Frederic Sielemann – Biography
Last update: April 23, 2026Executive profile
Jan-Frederic Sielemann is currently
Head of Marketing at Bierbaum Proenen - View - Bierbaum Proenen org chart
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The colleagues of Jan-Frederic Sielemann
Company Colleagues
- At Bierbaum Proenen, Jan-Frederic Sielemann has 12 colleagues including Harald Goost (Managing Director), Philip Kossmann (IT)…
Industry Colleagues
- In the Apparel industry, Jan-Frederic Sielemann has 9,779 colleagues in 766 companies located in 44 countries. 4,573 executive movements have been recorded in the last 12 months. Learn more about Apparel.
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Through the switchboard, call Bierbaum Proenen at +49 ... and ask for Jan-Frederic Sielemann.
