10 Gilead procurement leaders
Angela Robinson, Executive Director, Head of Procurement Business Partnering & Category Management at Gilead Sciences, leads this list of Gilead procurement leaders, with senior directors, directors and heads of strategic sourcing, procurement business partnering and procurement data. A reader can learn how procurement leaders work at Gilead from people who have held the role.
Professionals to explore
Aaron Moses
LinkedInExperience: Senior Director, Global Procurement Business Partnerting (G&A) · Gilead Sciences
Aaron Moses has been Senior Director, Global Procurement Business Partnerting (G&A) at Gilead Sciences since April 2024, based in Redmond, Washington. Aaron Moses was VP, Facilities & Business Operations at Pyxis Oncology from 2021 to 2024 and Director, Global Real Estate & Facilities, Events, Travel at Gates Foundation from 2016 to 2021.
Angela Phillips
LinkedInExperience: Senior Director, Global Procurement Organization · Gilead Sciences
Angela Phillips has been Senior Director, Global Procurement Organization at Gilead Sciences since May 2022, based in the San Francisco Bay Area. Angela Phillips was Senior Director, Procurement & Strategic Sourcing (Head of Procurement) at Aimmune Therapeutics from 2019 to 2022 and Head, Capability and Development at Genentech from 2013 to 2018.
Angela Robinson
LinkedInExperience: Executive Director, Head of Procurement Business Partnering & Category Management · Gilead Sciences
Angela Robinson has been Executive Director, Head of Procurement Business Partnering & Category Management at Gilead Sciences since June 2022, based in San Francisco, California. Angela Robinson was Global Business Partner Lead, Google Cloud at Google from 2020 to 2022 and Global Head, Category & Supplier Management, Commercial Services at Genentech from 2018 to 2020.
Betty Ching-Sui Sun
LinkedInExperience: Director Strategic Sourcing · Gilead Sciences
Betty Ching-Sui Sun has been Director Strategic Sourcing at Gilead Sciences since April 2019, based in Cupertino, California, and also lists Director Facilities Engineering at Gilead Sciences from November 2018. Betty Ching-Sui Sun was Sr. Manager Facilities Engineering Project Management International at Gilead Sciences from 2016 to 2017.
Jennifer Sieber, CPSM
LinkedInExperience: Global Procurement Head of Data, Systems & Insights · Gilead Sciences
Jennifer Sieber, CPSM has been Global Procurement Head of Data, Systems & Insights at Gilead Sciences since August 2022, based in the Greater Chicago Area. Jennifer Sieber was Procurement Center of Excellence Senior Director at Gilead Sciences from 2020 to 2022 and held a Global Indirect Procurement role at Abbott from 2018 to 2020.
Marla Bradstock
LinkedInExperience: Director - Procurement, IT Business Partner · Gilead Sciences
Marla Bradstock has been Director - Procurement, IT Business Partner at Gilead Sciences since October 2023, based in Santa Monica, California. Marla Bradstock was Director - Procurement at Kite Pharma from 2022 to 2023 and Associate Director, Strategic Sourcing and Procurement, IT for Enterprise at Bristol Myers Squibb from 2020 to 2022.
Mike Knievel
LinkedInExperience: Sr. Director, Procurement · Gilead Sciences
Mike Knievel has been Sr. Director, Procurement at Gilead Sciences since November 2013, based in Phoenix, Arizona. Mike Knievel was Principal Sourcing Consultant at MAK Resources LLC from 2011 to 2013 and Director of Materials at Solyndra from 2008 to 2012, and has been an Advisory Board Member at Biotechnology Innovation Organization since 2020.
Peter Mc Gree
LinkedInExperience: Senior Director Procurement - PDM and Global Logistics · Gilead Sciences
Peter Mc Gree has been Senior Director Procurement - PDM and Global Logistics at Gilead Sciences since September 2026, based in Chandler, Arizona, and also lists Director Procurement PDM and R&D at Gilead Sciences from August 2018. Peter Mc Gree was Director Procurement - Strategic Sourcing at The Coca-Cola Company from 2016 to 2018.
Simon Adam
LinkedInExperience: Senior Director Strategic Sourcing · Gilead Sciences
Simon Adam has been Senior Director Strategic Sourcing at Gilead Sciences since April 2024, based in Ireland. Simon Adam was Director - Outsourced Manufacturing at Gilead Sciences from 2020 to 2024 and Senior Director Supplier Quality at Johnson & Johnson MedTech from 2011 to 2019.
Xuan Pan
LinkedInExperience: Director, Strategic Sourcing and Supplier Management · Gilead Sciences
Xuan Pan has been Director, Strategic Sourcing and Supplier Management at Gilead Sciences since October 2024, based in the United States. Xuan Pan was General Manager of China & Senior Director, Global Collaborations at Erasca, Inc. from 2020 to 2024 and Senior Director, Business Development at WuXi Discovery Services from 2019 to 2020.
Choose the right perspective
Pick the person whose own role, region and scope sit closest to the decision you face. Check the start and end dates of each role to see how recent the experience is.
Questions to take into the conversation
- 01What did you focus on first when you took on your current procurement role, and what did you learn from it?
- 02How have you built the working relationship between your procurement team and the business teams you support?
- 03How have you weighed cost savings against supplier risk and quality in your own work?
Reaching Gilead procurement leaders
How can I contact one of these Gilead procurement leaders?
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: Gilead Sciences, based on profile data retrieved on October 21, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Gilead procurement leaders?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Gilead procurement leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
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.
Request a correction or removal