People

Cecile Guegan

Interim CFO and Executive Vice President of Pfizer, effective August16,2026. Previously senior vice president of finance for its Global Biopharmaceuticals business. Has more than25years in global pharmaceutical finance. Pfizer’s June2026SECfiling states she joinedPfizerin2005; the websitebiography associates her arrival with the2009Wyethacquisition, so the SECemployment chronology is used for that detail.