Siegfried Holding

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Siegfried Holding AG is a Switzerland-based life sciences company and active in primary and secondary drug manufacturing. The Company produces both drug substances and drug products. The drug substance portfolio includes contract development and manufacturing of both active pharmaceutical ingredient... Read more





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Wolfgang Wienand
Chief Executive Officer

Wolfgang Wienand

Reto Suter
Chief Financial Officer
Marcel Imwinkelried
Chief Operating Officer Drug Products & Chief Operating Officer Drug Substances, ad interim
Jürgen Roos
Chief Scientific Officer
Marianne Späne
Chief Business Officer, Drug Products
Irene Wosgien
Chief Human Resources Officer
Henrik Krüpper
Chief Operating Officer, Drug Substances