Pharmaceuticals
10 Bristol Myers Squibb procurement leaders
These ten current and former Bristol Myers Squibb procurement leaders, including Bristol Myers Squibb's Chief Procurement Officer, hold or have held vice president and executive director roles covering R&D, commercialization, direct materials, corporate functions and international procurement. A reader can learn how procurement leaders build and run their teams in pharmaceutical companies.
Professionals to explore
01—10Aiphi Billard
LinkedInExperience: Executive Director Europe Capability Center & Procurement European Markets Business Strayegy · Bristol Myers Squibb
Executive Director Europe Capability Center & Procurement European Markets Business Strayegy at Bristol Myers Squibb since October 2024. Former Executive Director International Sourcing Excellence & Europe Capability Center Site Lead (2022–2023), Sr. Director Sourcing Excellence | International (APAC-EMEA) (2021–2022) and Director Global Procurement, EMEA Sourcing Excellence (2019–2021) at Bristol Myers Squibb.
Bill Stirling
LinkedInExperience: Vice President, Global Procurement Transformation · Bristol Myers Squibb
Former Vice President, Global Procurement Transformation at Bristol Myers Squibb (2013–2014), a role the profile says led the transformation of a 250 employee global procurement organization. Former Vice President, Commercial and International Indirect Sourcing (2008–2013) and former Interim Chief Procurement Officer (2011–2012) at Bristol Myers Squibb. Independent Procurement Consultant since October 2014.
Brigid Siegel
LinkedInExperience: Vice President & Head R&D Procurement/ Global Third Party Risk Management · Bristol Myers Squibb
Vice President & Head R&D Procurement/ Global Third Party Risk Management at Bristol Myers Squibb since December 2024. Former Vice President Research & Development Procurement (2021–2024) and Global Head of Procurement, Discovery Research (2020–2021) at Takeda, and former Head of Procurement, Clinical & Patient Services at Montefiore Health System (2018–2019).
Caitlin Thompson
LinkedInExperience: Executive Director, Global Procurement, Agile Sourcing & Integrations · Bristol Myers Squibb
Executive Director, Global Procurement, Agile Sourcing & Integrations at Bristol Myers Squibb since January 2026. Former Sr. Director, Chief of Staff to the CPO, Procurement Excellence & Integration Management at Bristol Myers Squibb (2025–2026), and former Buyer, Global Procurement, Corporate Goods & Services (2011–2012) at Bristol Myers Squibb.
Jerome Lebrun
LinkedInExperience: Vice President Procurement Commercialization · Bristol Myers Squibb
Vice President Procurement Commercialization at Bristol Myers Squibb since April 2025. Former Executive Director Procurement Commercialization (2024–2025), Executive Director Procurement Commercialization Intelligence & Market Access Solutions (2023–2024) and Senior Director Strategic Sourcing & Procurement Data, Insights, Analytics & VAP (2020–2023) at Bristol Myers Squibb.
Jyothi Ahmed
LinkedInExperience: Vice President, Strategy Process & Operations · Bristol Myers Squibb
Former Vice President, Strategy Process & Operations at Bristol Myers Squibb (2017–2024), a role the profile says led procurement transformation aligned with evolving business needs. Former Executive Director, Head of Global Procurement Center of Excellence at Bristol Myers Squibb (2014–2017) and former Director at Bristol Myers Squibb (2004–2014).
Lainie Suárez Butler
LinkedInExperience: Vice President Global Procurement Corporate Functions & Services and International Lead · Bristol Myers Squibb
Vice President Global Procurement Corporate Functions & Services and International Lead at Bristol Myers Squibb since July 2025, and Chief Procurement Officer at BeOne Medicines since September 2026. Former Vice President, Strategic Sourcing and Procurement (2023–2025) and Executive Director, Strategic Sourcing & Procurement Business Partnering & Strategy (2019–2023) at Bristol Myers Squibb.
Paula Glickenhaus
LinkedInExperience: Chief Procurement Officer · Bristol Myers Squibb
Chief Procurement Officer at Bristol Myers Squibb since November 2023; the profile describes the role as Senior Vice President and Chief Procurement Officer. Former Global Head Category Management Strategic Sourcing at Google (2021–2023), former Ad Interim NA CPO at Kenvue (2023) and former SVP, Global Head Commercial & US Procurement at Novartis (2019–2021).
Thomas S. McDonough
LinkedInExperience: Executive Director, Commercial Distribution & International Procurement Lead · Bristol Myers Squibb
Executive Director, Commercial Distribution & International Procurement Lead at Bristol Myers Squibb since April 2026. Former Senior Director, Strategic Sourcing & Procurement, Commercial Distribution (2022–2025) and Director, Strategic Sourcing & Procurement, Commercial Distribution (2020–2022) at Bristol Myers Squibb; the profile describes a senior procurement and supply chain leader across logistics and indirect categories.
Troy Mathews
LinkedInExperience: Executive Director, Direct Materials, Supplier Management & Site Procurement Operations · Bristol Myers Squibb
Executive Director, Direct Materials, Supplier Management & Site Procurement Operations at Bristol Myers Squibb since June 2024. Former Senior Director, Strategic Raw Materials Sourcing & Supplier Management (2022–2024) and Director, Raw Materials Sourcing (2020–2022) at Bristol Myers Squibb, and former Category Director, Chemicals Excipients, Janssen Supply Chain at Johnson & Johnson (2019).
Choose the right perspective
Match the person's scope to your question: the Chief Procurement Officer and procurement vice presidents suit questions about operating model and enterprise strategy, while category and regional executive directors suit questions about one spend area or market. Check whether each Bristol Myers Squibb role is current or past before asking about recent practice.
Questions to take into the conversation
- 01How should a pharmaceutical procurement team divide category ownership between R&D, commercial and manufacturing spend?
- 02What does it take to transform a large global procurement organization and its operating model?
- 03How do procurement teams manage third-party risk across clinical and research suppliers?
Reaching Bristol Myers Squibb procurement leaders
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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 and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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