10 Gilead government affairs leaders
Senior Vice President, Government Affairs and Policy, Senior Director, Head of EU Government Affairs and Director of Government Affairs are among the current titles held by these Gilead government affairs leaders. A reader can learn how government affairs leaders work at Gilead from people who have held the role.
Professionals to explore
Adrienne Simmons
LinkedInExperience: Director, Government Affairs, Policy Advocacy and Alliances · Gilead Sciences
Adrienne Simmons has been Director, Government Affairs, Policy Advocacy and Alliances at Gilead Sciences since May 2025, based in Washington, D.C. Adrienne Simmons was Public Health Analyst, HIV/AIDS Bureau at the Health Resources and Services Administration (2024 to 2025) and Director of Programs, National Viral Hepatitis Roundtable at HEP (2021 to 2024).
Andrea Zanaglio
LinkedInExperience: Senior Director, Head of EU Government Affairs · Gilead Sciences
Andrea Zanaglio has been Senior Director, Head of EU Government Affairs at Gilead Sciences since September 2022, based in Brussels. Andrea Zanaglio was Director Government Affairs Europe (2022) and Associate Director, Government Affairs Europe (2016 to 2022) at Teva Pharmaceuticals.
Bill Bode
LinkedInExperience: Senior Director, Government Affairs · Gilead Sciences
Bill Bode has been Senior Director, Government Affairs at Gilead Sciences since December 2025, based in Washington, D.C., and was Director, Government Affairs there from 2022 to 2025. Bill Bode was also Senior Policy Advisor (2020 to 2022) and Legislative Assistant (2017 to 2020) at the United States Senate.
Brian Duggan
LinkedInExperience: Senior Director, Government Affairs UK and Ireland · Gilead Sciences
Brian Duggan has been Senior Director, Government Affairs UK and Ireland at Gilead Sciences since July 2026, based in the London area. Brian Duggan was Strategic Partnership Policy Director at The Association of the British Pharmaceutical Industry (2022 to 2026) and Chief of Staff, National Medical Directorate at NHS England (2020 to 2022).
Juan Luis García Soria
LinkedInExperience: Senior Director, Government Affairs, Intercontinental Region (ICR) · Gilead Sciences
Juan Luis García Soria has been Senior Director, Government Affairs, Intercontinental Region (ICR) at Gilead Sciences since September 2024, based in the Washington, D.C. area. Juan Luis García Soria was Director Policy and Government Relations Latin America (2022 to 2024) and Director Vaccines Public Policy Latin America (2018 to 2022) at Merck.
Luis E. Guerra
LinkedInExperience: Senior Director, Government Affairs - Global Policy · Gilead Sciences
Luis E. Guerra has been Senior Director, Government Affairs - Global Policy at Gilead Sciences since December 2025, based in London. At Gilead Sciences, Luis E. Guerra was also Director Government Affairs, Global Policy (2022 to 2025) and Associate Director (2020 to 2022), and was National Lead on Sexual Health, Reproductive Health and HIV at Public Health England (2018 to 2019).
Michael Boyd
LinkedInExperience: Senior Vice President, Government Affairs and Policy · Gilead Sciences
Michael Boyd has been Senior Vice President, Government Affairs and Policy at Gilead Sciences since October 2018, based in Washington, D.C. Michael Boyd was Founder and President of Hillbrook Strategies, LLC (2017 to 2018), Vice President, Global Government Affairs at AbbVie (2012 to 2016) and Vice President, Public Affairs International at Schering-Plough (2006 to 2010).
Penny L.
LinkedInExperience: Senior Director, Government Affairs and Policy · Gilead Sciences
Penny L. has been Senior Director, Government Affairs and Policy at Gilead Sciences since January 2026, based in Australia. Penny L. was Head of Access, Pricing and External Engagement at UCB (2023 to 2025) and Director, Government Affairs and Policy, ANZ, Alexion, AstraZeneca Rare Disease at AstraZeneca (2021 to 2023).
Richard White
LinkedInExperience: Director of Government Affairs · Gilead Sciences
Richard White has been Director of Government Affairs at Gilead Sciences since February 2025. Richard White was Manager of Federal Advocacy (2023 to 2025) and Associate Manager of Federal Advocacy (2022 to 2023) at Biocom, and Policy Analyst at the National Organization for Rare Disorders (2020 to 2022).
Riley Swinehart
LinkedInExperience: Senior Director, Government Affairs · Gilead Sciences
Riley Swinehart has been Senior Director, Government Affairs at Gilead Sciences since April 2025, based in McLean, Virginia. Riley Swinehart was Senior Director, Federal Affairs at Johnson & Johnson (2019 to 2025), Vice President, Government Affairs at AdvaMed (2014 to 2019) and Republican Staff Director of the Senate HELP Subcommittee on Children and Families (2013 to 2014).
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Pick a person whose own title covers the same ground as your question, such as U.S. federal affairs, global policy, the EU or a country or region. Use the dates on each role to favor someone whose time in it overlaps the period you care about.
Questions to take into the conversation
- 01What did a typical week look like in your government affairs role, and which work took the most time?
- 02How do you work with medical, access and legal colleagues when a policy issue affects the company?
- 03What did you have to learn when you moved into a company government affairs role from government, an association or another employer?
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About this directory
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