What changed
Pfizer's board unanimously appointed Cecile Guegan as Chief Financial Officer and Executive Vice President, effective November 1, 2026. Guegan had served as interim CFO since August 16, 2026, and brings more than 25 years of pharmaceutical finance experience. She will oversee all corporate finance functions including audit, treasury, investor relations, tax, operations planning and analysis, corporate controllership, and business finance and analytics.
Why it matters
Pfizer's board unanimously appointed Cecile Guegan as Chief Financial Officer and Executive Vice President, effective November 1, 2026. Guegan had served as interim CFO since August 16, 2026, and brin