Christian Dowdeswell

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Siegfried Announces Changes in Senior Management Team

Siegfried has appointed Marianne Späne, currently chief business officer Drug Products, as chief business officer with responsibility for both the Drug Substances and Drug Products divisions of the Swiss contract manufacturing and development organization (CDMO), effective Feb. 1, 2024. Christian Dowdeswell, who previously led the Drug Substance business, has decided to leave Siegfried.

Virtual Event

Digitalization in the Chemical Industry
CHEManager Spotlight

Digitalization in the Chemical Industry

29 April 2026 | This webinar explores how chemical industry organizations can design a digital‑ and AI‑ready operating model focused on clarity, usability, and measurable value.