David Kirn, Founder of 4D Molecular Therapeutics

About David Kirn

David Kirn, M.D., is the Co-founder, CEO, and Director of 4D Molecular Therapeutics (4DMT), having led the company since its inception in 2013. He also serves as President of the company, a role he assumed in January 2026. Kirn leads a clinical-stage biopharma company specializing in novel, precision AAV vectors for gene therapies generated through a proprietary directed evolution platform.

David Kirn at a glance

• Company: 4D Molecular Therapeutics
• Latest round: IPO
• Location: Emeryville, California

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