Executive Committee

Leadership Team

Chair

2024 / 2025

Joseph Zeleznik

Technical Director, North America

IMCD US Pharma

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.

Immediate Past Chair

2024 / 2025

Nigel Langley

Global Technical Director, Life Sciences

Gaylord Chemical Company

Nigel Langley is the Global Technical Director, Life Sciences for Gaylord Chemical Company 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.

Chair Elect

2024 / 2025

Gina Marsee

Director, Compendial Compliance & Advocacy

Merck & Co.

 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

Vice Chair for Administrative Affairs

2023 / 2024 / 2025

Meera Raghuram

Director, Regulatory and Sustainability, Lubrizol 

Vice Chair for Harmonization and Compendial Monograph

2023 / 2024 / 2025

Douglas Muse

Sr. Principal Associate, External Engagement and Advocacy, Eli Lilly & Company

Vice Chair for Maker and Distributor Relations

2024 / 2025 / 2026

Charlotte McIlvaine

Manager - North America Pharma Quality, Univar Solutions

Vice Chair for Membership

2024 / 2025 / 2026

George Collins

Vice President, Vanderbilt Minerals LLC

Vice Chair for Science and Regulatory Policy

2025 / 2026 / 2027

Priscilla Zawislak

Global Regulatory Affairs Advocacy Manager, Roquette

Vice Chair for User Relations

2025 / 2026 / 2027

Jennifer Putnam

Senior Supervisor AR&D, Perrigo

Officer

2025 / 2026

Mike Cassell

cGMP Quality Assurance Manager

Officer

2025 / 2026

Teresa Wegesser

Scientific Associate Director, Amgen

Officer

2024 / 2025

Janeen Skutnik-Wilkinson

Director, Regulatory Intelligence & External Engagement, Moderna

Officer

2024 / 2025

Troy Barrix

Principal Regulatory Compliance Specialist, Celanese