Latest round: IPO. Stephen Dilly is the former President and Chief Executive Officer of Sierra Oncology.
Stephen Dilly is the former President and Chief Executive Officer of Sierra Oncology. During his tenure, Sierra Oncology successfully completed a Phase 3 trial and was acquired by GSK for $1.9 billion. He is currently CEO of Codexis Inc. and previously served as CEO of Aimmune Therapeutics.
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