10 Pfizer leaders in new roles in 2026
These ten Pfizer leaders each started their current role at Pfizer in 2026, from operations and infrastructure vice presidents to finance, cloud and engineering directors. A reader can learn how Pfizer leaders approach a role they started in 2026 from people who hold one now.
Professionals to explore
Antonia Pyrgioti
LinkedInExperience: Director, Divisional Controller Biopharma and GBS MERA & LATAM Regions · Pfizer
Antonia Pyrgioti has been Director, Divisional Controller Biopharma and GBS MERA & LATAM Regions at Pfizer since January 2026, based in Greece. At Pfizer, Antonia Pyrgioti was also Director, Controllers - Global Accounting EMEA (2024–2025) and Senior Manager, Record to Report (2022–2023).
Eric Silva
LinkedInExperience: Sr. Director, Platform and Data Engineering · Pfizer
Eric Silva has been Sr. Director, Platform and Data Engineering at Pfizer since January 2026, based in Alamogordo, New Mexico. At Pfizer, Eric Silva was also Sr. Director, Advanced AI and Data Ecosystem Engineering (2025) and Director, Cloud Enterprise Architecture (2022–2025).
Iain Deans
LinkedInExperience: Director - Global Technology & Engineering · Pfizer
Iain Deans has been Director - Global Technology & Engineering at Pfizer since August 2026, based in Chichester, England. At Pfizer, Iain Deans was also Senior Project Manager - Global Technology & Engineering (2020–2026) and Engineering Projects and Validation Snr Manager (2012–2018).
Jackline Celidonio
LinkedInExperience: Central Cluster Finance Director · Pfizer
Jackline Celidonio has been Central Cluster Finance Director at Pfizer since January 2026, based in the London area. Jackline Celidonio also lists Belgium and the Netherlands Business Finance Director (2025–2026) and Biopharma Finance Director (2022–2026) at Pfizer.
John Carroll
LinkedInExperience: Director Finance - Global Small Molecule Lead · Pfizer
John Carroll has been Director Finance - Global Small Molecule Lead at Pfizer since August 2026, based in County Cork, Ireland. At Pfizer, John Carroll was also Director of Finance - Business Unit Interface Lead (2025–2026) and Site Finance Lead - Ringaskiddy (2024–2025).
John Sourke
LinkedInExperience: Vice President, Global Biotech Operations · Pfizer
John Sourke has been Vice President, Global Biotech Operations at Pfizer since January 2026, based in Ireland. At Pfizer, John Sourke was also Vice President Operations (2022–2026), Site Leader, Grange Castle (2018–2022) and Site Leader, Newbridge (2015–2017).
Konstantinos Pantos
LinkedInExperience: Director of Cloud Engineering · Pfizer
Konstantinos Pantos has been Director of Cloud Engineering at Pfizer since July 2026, based in the Athens area. Konstantinos Pantos was also Senior Cloud Solutions Architect (2019–2026) and Cloud Solutions Architect (2018–2019) at Microsoft, and Sr. Fast Track Engineer for Azure (2017–2018).
Lorna Murtagh
LinkedInExperience: Vice President, Pfizer CentreOne Operations · Pfizer
Lorna Murtagh has been Vice President, Pfizer CentreOne Operations at Pfizer since March 2026, based in Ireland. Lorna Murtagh was also Senior Director, Pfizer CentreOne Operations at Pfizer (2024–2026), and the profile lists Operations Manager (from 2014) and Supply Chain (from 2012) rows at Pfizer.
Sean Tibor
LinkedInExperience: Vice President, Infrastructure and Cloud · Pfizer
Sean Tibor has been Vice President, Infrastructure and Cloud at Pfizer since February 2026. Sean Tibor was also Senior Director, Global Cloud Services at Pfizer (2025–2026) and Senior Director, Global Cloud Platforms at Mondelēz International (2023–2025).
Tim Weikel
LinkedInExperience: Sr Director, Colleague Platforms & Engineering · Pfizer
Tim Weikel has been Sr Director, Colleague Platforms & Engineering at Pfizer since January 2026, based in Allentown, Pennsylvania. At Pfizer, Tim Weikel was also Director of Collaboration Messaging and M365 (2023–2026) and Senior Manager Global Messaging (2009–2023).
Choose the right perspective
Match the person's function and current scope to your question, since leaders in different functions each see a different part of the business. People whose 2026 role started earliest in the year have had the most time in it.
Questions to take into the conversation
- 01What did you focus on in your first months in your current role?
- 02Which parts of your earlier roles have been most useful in the role you hold now?
- 03How do you decide which priorities to take on first when you start a role at a large company?
Reaching Pfizer leaders in new roles in 2026
How can I contact one of these Pfizer leaders in new roles in 2026?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Pfizer, based on profile data retrieved on October 23, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Pfizer leaders in new roles in 2026?
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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