**Pfizer US/PR Commercial Sales**
Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve-and protect-human life. Today, as one of the world's leading biopharmaceutical companies, Pfizer's purpose is **Breakthroughs that change patients' lives** : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partners...