Executive Committee

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.

Leadership Team

Chair

2026 / 2027

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.

Immediate Past Chair

2026 / 2027

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.

Chair Elect

2026 / 2027

Bob Sulouff

Sr. Manager Regulatory Affairs, Health Pharma Solutions BG

Roquette

Bob Sulouff has over 25 years’ experience in Regulatory Affairs and Quality, primarily focused on excipients. He is a member of Roquette’s Health and Pharma Solutions Regulatory team, where he advocates for value added pharma regulatory solutions. He previously held positions at Ashland Specialty Ingredients’ Pharmaceutical and Nutrition Business in Regulatory for excipients and food additives and at Bioventus in Quality and Regulatory for HCT/Ps and medical devices. Bob is currently Chair of the IPEC-Americas Regulatory Affairs Committee.

Vice Chairs and Officers

Vice Chair for Administrative Affairs

2026 / 2027 / 2028

Douglas Muse

Advisor, External Engagement & Advocacy, Eli Lilly & Co. 

Vice Chair for Harmonization and Compendial Monograph

2026 / 2027 / 2028

Janeen Skutnik-Wilkinson

Sr. Director, GPO Regulatory Intelligence & Advocacy Global Quality Compliance External Engagement and Advocacy (EEA), Eli Lilly & Co.

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

2026 / 2027

Nigel Langley

Global Technical Director, Life Sciences, gChem

Officer

2026 / 2027

Candy Reynolds-Cummings

Regulatory and Product Stewardship Manager | Smart Effects | Americas Region EQR, Evonik