As set forth in the IPEC-Americas bylaws, IPEC-Americas Executive Committee, (whose members are elected by the Board of Trustees) is empowered to manage the affairs of the Council and its members and to direct the activities of standing committees and working groups. The Executive Committee is comprised of thirteen members who are elected to two or three year terms on a rotating basis depending on their office.
Elections take place during the annual board of Trustees meeting each December. Click here to submit your information to run in our next election. (Deadline: November 15, 2025)
Leadership Team
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Chair
2024 / 2025
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Joseph Zeleznik
Technical Director, North America
IMCD US Pharma
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Joseph Zeleznik is the Technical Director, North America for IMCD US Pharma where he is responsible for product and technology training, customer seminars, and advising on formulation development through excipient and process selection. He has held roles at MEGGLE USA, Inc., JRS PHARMA and Penwest Pharmaceuticals Co. With nearly 30 years in the pharmaceutical industry, Joe specializes in the development and application of high functionality excipients, focusing on co-processed and other novel excipients. Joe holds B.S. and M.A. degrees in Chemistry from the State University of New York, College at New Paltz. He has authored numerous industry articles and contributed to the Handbook of Pharmaceutical Excipients as well as several IPEC Guides.
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Immediate Past Chair
2024 / 2025
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Nigel Langley
Global Technical Director, Life Sciences
gChem
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Nigel Langley is the Global Technical Director, Life Sciences for gChem where he provides technical support to the pharmaceutical industry and helps solve drug formulation challenges. He has held senior roles at Croda International and BASF, and has worked in Japan and England. Nigel holds a Chemistry degree, a PhD in Liquid Crystals, and an MBA. He has over 100 scientific publications, co-edited 2 books, and is an adjunct professor at the University of Mississippi. Nigel received the IPEC Foundation's Industry Research Achievement Award in Excipient Technology in 2018 and was recognized on the Medicine Maker’s Power List in 2020 and 2021. In his role as the Immediate Past Chair of IPEC-Americas, Nigel helps lead the Novel Excipients initiative in collaboration with the IQ Pharma Consortium.
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Chair Elect
2024 / 2025
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Gina Marsee
Director, Compendial Compliance & Advocacy
Merck & Co.
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Gina Marsee is the Director, Compendial Compliance and Advocacy at Merck located in West Point, PA, USA. Throughout her 30+ year career, Gina has held various leadership roles within Quality, Compliance, and Regulatory Affairs at organizations including ThermoFisher and Pfizer. Gina holds a bachelor’s degree in Chemistry & Biology from the University of Tennessee. She participates with various industry groups, pharmacopoeia organizations, and regulators on contemporary compendial related matters. In addition, Gina advocates for harmonization/convergence of public standard in support of availability of quality medicines for patients globally. |
Vice Chairs and Officers
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Vice Chair for Administrative Affairs
2023 / 2024 / 2025 |
Meera Raghuram
Director, Regulatory and Sustainability, Lubrizol |
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Vice Chair for Harmonization and Compendial Monograph
2023 / 2024 / 2025 |
Douglas Muse
Sr. Principal Associate, External Engagement and Advocacy, Eli Lilly & Company |
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Vice Chair for Maker and Distributor Relations
2024 / 2025 / 2026 |
Charlotte McIlvaine
Manager - North America Pharma Quality, Univar Solutions |
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Vice Chair for Membership
2024 / 2025 / 2026 |
George Collins
Vice President, Vanderbilt Minerals LLC |
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Vice Chair for Science and Regulatory Policy
2025 / 2026 / 2027 |
Priscilla Zawislak
Global Regulatory Affairs Advocacy Manager, Roquette |
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Vice Chair for User Relations
2025 / 2026 / 2027 |
Jennifer Putnam
Senior Supervisor AR&D, Perrigo |
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Officer
2025 / 2026 |
Mike Cassell
cGMP Quality Assurance Manager |
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Officer
2025 / 2026
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Teresa Wegesser
Scientific Associate Director, Amgen
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Officer
2024 / 2025 |
Janeen Skutnik-Wilkinson
Director, Regulatory Intelligence & External Engagement, Moderna |
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Officer
2024 / 2025 |
Troy Barrix
Principal Regulatory Compliance Specialist, Celanese |