The team in the Collaborative Center for X-linked Dystonia Parkinsonism at Massachusetts General Hospital is dedicated to furthering the understanding of this rare genetic disorder.

Executive Leadership

Cristopher Bragg, PhD

Cristopher Bragg, PhD

Director, Collaborative Center for X-linked Dystonia Parkinsonism (CCXDP)
Department of Neurology, Massachusetts General Hospital
Assistant Professor of Neurology, Harvard Medical School



Anne B. Young, MD, PhD

Anne B. Young, MD, PhD

Chair, External Science Advisory Board, CCXDP
Former Chief of Neurology, Massachusetts General Hospital
Distinguished Julianne Dorne Professor of Neurology, Harvard Medical School



Merit Cudkowicz, MD, MSc

Merit Cudkowicz, MD, MSc

Chief of Neurology, Massachusetts General Hospital
Director, Neurological Clinical Research Institute
Julieanne Dorn Professor of Neurology, Harvard Medical School
Co-Founder and Former Co-chair, Northeast ALS Consortium



Geraldine Acuña-Sunshine

Geraldine Acuña-Sunshine

Co-Founder, CCXDP
Department of Neurology, Massachusetts General Hospital
Founder and President, Sunshine Care Foundation, Inc.


Clinical Leadership

Albert Y. Hung, MD, PhD

Albert Y. Hung, MD, PhD

Co-Head, Clinical Research, CCXDP
Senior Clinical Neurologist, Massachusetts General Hospital
Associate Director of the MGH Movement Disorders Unit
Assistant Professor of Neurology, Harvard Medical School



Michael Schwarzschild, MD, PhD

Michael Schwarzschild, MD, PhD

Co-Head, Clinical Research, CCXDP
Executive Committee Chair, Parkinson Study Group
Clinical Neurologist, Massachusetts General Hospital
Julieanne Dorn Professor of Neurology, Harvard Medical School



Nutan Sharma, MD, PhD

Nutan Sharma, MD, PhD

Principal Investigator, Dystonia Partners Research Bank
Director, Neurological Clinical Research Institute
Medical Director, Partners Dystonia Clinic, Massachusetts General Hospital
Associate Professor of Neurology, Harvard Medical School



Ellen B. Penney, MD, PhD

Ellen B. Penney, MD, PhD

Neurologist in the Movement Disorders, Dystonia Clinic and Huntington's Disease Unit, Massachusetts General Hospital
Instructor in Neurology, Harvard Medical School



Clinical Team

Ann L. Hunt, DO

Ann L. Hunt, DO

Neurologist
Movement Disorders
Massachusetts General Hospital



Marisela Dy-Hollins, MD

Marisela Dy-Hollins, MD

Director, Pediatric Movement Disorders Clinic
Neurologist, Movement Disorders
Instructor in Neurology, Harvard Medical School



Christopher D. Stephen, MB, CHB

Christopher D. Stephen, MB, CHB

Neurologist
Movement Disorders, Dystonia Clinic and Ataxia Unit
Massachusetts General Hospital



Amy E. Armstrong-Javors, MD

Amy E. Armstrong-Javors, MD

XDP Clinical Fellow, Movement Disorders
Pediatric Neurologist
Massachusetts General Hospital



Jan Kristoper de Guzman, MD

Jan Kristoper de Guzman, MD

Consultant Investigator
Collaborative Center for XDP
Sunshine Care Foundation



Trisha Multhaupt-Buell, MS, CGC

Trisha Multhaupt-Buell, MS, CGC

Clinical Research Program Coordinator
Genetic Counselor
Massachusetts General Hospital



Melanie Supnet, MD

Melanie Supnet, MD

Research Fellow
Movement Disorder Clinics, Massachusetts General Hospital



Lisa Paul, MSN, FNP-BC

Lisa Paul, MSN, FNP-BC

Nurse Practitioner
Partners Parkinson's Disease and Movement Disorders Treatment Center
Massachusetts General Hospital


Patrick Acuña, MD

Patrick Acuña, MD

Clinical Research Coordinator II
Dystonia Clinic
Massachusetts General Hospital



Samuel Carr

Samuel Carr

Clinical Research Coordinator
Dystonia Clinic
Massachusetts General Hospital