And thank you to all the families who participated in the project.


Louise Tiranoff, PhD
President: Louise Tiranoff Productions, Inc.


Jill E. Hendrickson, M.S., M.S.S.W., C.G.C.
PI: Phase 1, The Angelman Project
Women’s and Infants’ Services / Maternal Fetal Medicine, University Medical Center, Jacksonville, FL

Stephen N. Calculator, Ph.D. Professor and Chair
Dept. of Communication Disorders
University of New Hampshire

Jill Clayton-Smith, M.D. Consultant Clinical Geneticist
University Department of Medical Genetics and Regional Genetic Service, Central Manchester Healthcare Trust, Manchester, U.K.

Susan C. Ferguson, M.Ed.
Information Specialist, Outreach Coordinator
National Information Center for Children and Youth with Disabilities (NICHCY)

Cathy I. Filtz, M.S., Pediatric Physical Therapist
Maryland Infant and Toddlers, Prince George’s County Public Schools

Timothy J. Freeman, Ph.D.
Child Clinical Psychologist, Behavior Analyst

H. Terry Hutchison, M.D., Ph.D.
Medical Director, Department of Rehabilitation Services &  Department of Neurology
Valley Children’s Hospital, Fresno, CA
Associate Clinical Professor, University of California San Francisco

Joseph Wagstaff, M.D., Ph.D.
Department of Pediatrics and Department of Biochemistry & Molecular Genetics
University of Virginia School  Of Medicine, Charlottesville, VA

Charles Williams, M.D.
Associate Professor and
Chief, University of Florida,
College of Medicine,
Division of Genetics


Bernard Dan, M.D., Locum Head
Department of Pediatric Neurology, University of Brussels

Steven Alan Katz, M.D.,
Director, Chairman Emergency Dept.
St. Francis Medical Center, Trenton, NJ
Instructor in Surgery (Emergency Medicine), Jefferson Medical College, Philadelphia, PA

Theresa Rebhorn. B.S.W.
Senior Writer / Editor
National Information Center for Children and Youth with Disabilities (NICHCY)

Leigh Sutherland, Director
NBC/WRC-TV Channel 4 Washington D.C., Meet the Press

W. Christopher Taylor, D.D.S.
Specialist in Orthodontics
Charleston, WV

Elaine Whidden, M.S.N.
Nurse Practitioner
Gainesville, FL


Louise Tiranoff, PhD
Principal Investigator

Anne Molinas
Financial Manager

Lance Tukell
Senior Editor/ Technical Supervisor

Anita Weber
Videographer / Editor

Carla Ruff
Sound Engineer / Editor

Michael Tiranoff
Dan Gabriel
Editor/Associate Producers

Katrina Markel
Kerrie Welsh
Associate Producers

Catherine Calvert
Associate Producer/
Production Manager

Professor Daniel Harvey &  Pat Neill 
University of California,
San Diego

Gregory Pastores, MD
IRB Chair
New York University