Clay Siegall is the founder of Seattle Genetics. Seattle Genetics has raised $675M in total funding. Based in Bothell, Washington, United States.
Clay Siegall is the co-founder and former CEO of Seagen (formerly Seattle Genetics), a biotechnology company he led through its IPO in 2001 and its acquisition by Pfizer in 2023. He secured over $675 million in capital for Seagen. Following the Pfizer acquisition, he co-founded Immunome, raising $355 million since October 2023.
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