Stephen-Der Ziez is an experienced Director of Global Commercial Excellence in Oncology at Pfizer, with a robust background in business development, marketing, and commercial strategy. They previously served in various roles at Pfizer, elevating team performance and driving innovative marketing initiatives across multiple regions. Stephen-Der graduated from IESE Business School and has over ten years of international experience advising top pharmaceutical companies through consulting roles at IMS Management Consulting and Arthur D. Little. Currently, they pursue multiple Master of Arts degrees in Political Science and European Studies from prestigious universities.
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