Team Members

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Terry DeWitt

Terry serves as a board member of the GBS|CIDP Foundation International. Terry is Founder and…

Brian O’Sullivan

Brian O’Sullivan was elected to the Board of Directors of GBS-CIDP Foundation International in 2026.…

Ricardo Reisin, MD

Consultant of Neurology and the Co- Director of the CIEPOF at the Hospital Británico Buenos Aires…

Filip Eftimov

Neurology Department of the Amsterdam UMC In 2012, Filip completed his training as a neurologist,…

Nicolas Dubuisson, MD

Neurologist Consultant specializing in Neuromuscular Disorders. Dr Nicolas Dubuisson is a consultant neurologist specializing in…

Hans Katzberg, MD

Professor in the Department of Medicine at the University of Toronto Dr. Hans Katzberg is…

Stojan Peric, MD

Assistant Professor of Neurology at the Faculty of Medicine, University of Belgrade Dr. Stojan Peric…

Darlene Blevins

Darlene joined the GBS|CIDP Foundation International in March of 2026 as its Director of Marketing.…

Shane Sumlin

With more than 30 years of experience in financial advisory and investment management, Shane is…