The Director or Senior Director, Clinical Development will serve as a key clinical contributor embedded in Lyell's small, high-impact development team. This individual contributor role is responsible for providing medical and scientific leadership across one or more clinical trials, supporting protocol development, regulatory interactions, and data interpretation as Lyell advances toward its first approval and commercial launch.

KEY ROLES AND RESPONSIBILITIES

Clinical Trial Leadership & Execution

• Provide clinical leadership in the design, implementation, and oversight of cell therapy trials in oncology.
• Contribute meaningfully to clinical development plans (CDPs) and clinical trial protocols.
• Analyze and interpret clinical trial data; provide medical input for clinical study reports and regulatory documents.
• Ensure scientific integrity of clinical studies and compliance with GCP standards and regulatory requirements.

Regulatory & Compliance

• Collaborate with Regulatory Affairs to support preparation and review of