Guillaume Pfefer

About Guillaume Pfefer

Guillaume Pfefer is the Co-founder and former CEO of Senda Biosciences, a Cambridge, Massachusetts-based biotechnology company focused on programmable medicines and intersystems biology. He led the company through three major funding rounds, raising a total of $226 million before Senda merged with Laronde in late 2023 to form Sail Biomedicines.

Guillaume Pfefer at a glance

• Company: Senda Biosciences
• Total raised: $226M
• Latest round: Series C
• Investors: Flagship Pioneering, Qatar Investment Authority, Samsung Life Science Fund, Stage 1 Ventures, Bluwave Capital, Longevity Vision Fund
• Location: Cambridge, United States

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