10 Merck regulatory affairs leaders
Cheryl Watson, Associate Vice President - CMC Regulatory Biologics, leads this list of Merck regulatory affairs leaders, whose other titles cover global regulatory affairs, regulatory CMC, oncology and advertising and promotion. A reader can learn how regulatory affairs leaders work at Merck from people who have held the role.
Professionals to explore
Amy Barnum
LinkedInExperience: Senior Director Regulatory Affairs · Merck
Amy Barnum has been Senior Director Regulatory Affairs at Merck since October 2021, based in Souderton, Pennsylvania. At Merck, Amy Barnum was Director of Regulatory Affairs from 2018 to 2021, Associate Director of Regulatory Affairs from 2015 to 2018 and Associate Director Project Management from 2012 to 2014.
Anita Lalloo
LinkedInExperience: Director, Global Regulatory Affairs - Oncology · Merck
Anita Lalloo has been Director, Global Regulatory Affairs - Oncology at Merck since March 2023, based in West Point, Pennsylvania. At Merck, Anita Lalloo was Director, Global Regulatory Affairs Liaison - Infectious Diseases from 2021 to 2023, Director, Global Regulatory Affairs - CMC from 2018 to 2021 and Associate Director, Global Regulatory Affairs-CMC from 2014 to 2018.
Brian Tran
LinkedInExperience: Director, Regulatory Affairs - Advertising and Promotion · Merck
Brian Tran has been Director, Regulatory Affairs - Advertising and Promotion at Merck since April 2021, based in Silver Spring, Maryland. At FDA, Brian Tran was Team Leader/Lead Consumer Safety Officer from 2016 to 2021 and Regulatory Review Officer/Pharmacist from 2013 to 2016.
Cheryl Watson
LinkedInExperience: Associate Vice President - CMC Regulatory Biologics · Merck
Cheryl Watson has been Associate Vice President - CMC Regulatory Biologics at Merck since April 2026, based in Ottsville, Pennsylvania, and held the title Executive Director - CMC Regulatory at Merck from 2022 to 2026. Cheryl Watson was Executive Director - Regulatory CMC-Biologics at Bristol Myers Squibb in 2022 and Senior Director of Regulatory Affairs - CMC there from 2006 to 2022.
Janelle Derbis
LinkedInExperience: Director, Global Regulatory Affairs and Clinical Safety · Merck
Janelle Derbis has been Director, Global Regulatory Affairs and Clinical Safety at Merck since November 2021, based in Chicago, Illinois. At FDA, Janelle Derbis worked in the Center for Drug Evaluation and Research, Office of the Center Director from 2013 to 2021 and in the Office of the Commissioner, Office of Health and Constituent Affairs from 2005 to 2013.
Lilly Nguyen (Jiang)
LinkedInExperience: Director, Global Regulatory Affairs, Oncology · Merck
Lilly Nguyen has been Director, Global Regulatory Affairs, Oncology at Merck since June 2024, based in Philadelphia, Pennsylvania. At Merck, Lilly Nguyen was Associate Director, Global Regulatory Affairs, Oncology from 2021 to 2024 and Senior Scientist, Global Regulatory Affairs, Oncology from 2019 to 2021, and was Post-Doctoral Fellow, US & Global Regulatory Affairs at Johnson & Johnson from 2017 to 2019.
Nadine Margaretten
LinkedInExperience: Executive Director, Regulatory Affairs, Oncology · Merck
Nadine Margaretten has been Executive Director, Regulatory Affairs, Oncology at Merck since May 2021, based in Cranford, New Jersey. Nadine Margaretten was Director, Worldwide Regulatory Affairs at Merck & Co. USA from 2007 to 2021, Project Manager at Merck and Company from 2000 to 2007 and Toxicologist at Proctor & Gamble from 1987 to 2000.
Payal Biswas
LinkedInExperience: Director- Global Regulatory Affairs CMC Biologics · Merck
Payal Biswas has been Director- Global Regulatory Affairs CMC Biologics at Merck since September 2022, based in Greater Philadelphia. Payal Biswas was Director of Regulatory Affairs-CMC at Rocket Pharmaceuticals in 2022 and, at Merck, was Associate Director, Global Regulatory Affairs-CMC from 2018 to 2022 and Associate Director- Biologics & Vaccines Commercialization from 2016 to 2018.
Peter Basseches
LinkedInExperience: Executive Director/ Distinguished Scientist, Regulatory Affairs · Merck
Peter Basseches has been Executive Director/ Distinguished Scientist, Regulatory Affairs at Merck since 2015, and the listing also shows the title Director, Regulatory Affairs at Merck Research Laboratories since 2003. Peter Basseches held the title Director, Regulatory Affairs at Merck & Co. from 2003 to 2023 and was Sr. Director, Regulatory Affairs at ICON plc from 1997 to 2003.
Sabrina Girty
LinkedInExperience: Executive Director, Global Regulatory Affairs · Merck
Sabrina Girty has been Executive Director, Global Regulatory Affairs at Merck since April 2021 and was Director, Global Regulatory Affairs (Oncology) there from 2019 to 2021. Sabrina Girty was Vice President, Regulatory Affairs at Lycera from 2015 to 2019 and Senior Director, Regulatory Affairs at Shire from 2014 to 2015, based in Greater Philadelphia.
Choose the right perspective
Match the scope named in a person's title, such as global regulatory affairs, regulatory CMC or advertising and promotion, to the question you need answered. Weigh how close the scope of each person's role is to the decision you face.
Questions to take into the conversation
- 01What did you focus on first when you took on your regulatory affairs role at Merck?
- 02What decision in your Merck regulatory affairs role would you make differently today, and why?
- 03What has your own work at Merck taught you about building a regulatory affairs team?
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About this directory
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