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You are here: Home1 / One Retinoblastoma World2 / One Rb World 20263 / 2026 Program Speakers
One Rb World 2026 conference logo layered over a vibrant panoramic night-time view of the San Antonio River Walk. Logo text reads: One Retinoblastoma World | San Antonio, Texas, September 12–14, 2026. Between the location and date, a small brick red quatrefoil outlined in white and clay pink features a sky blue horseshoe with white nail heads along the curve cupping a white lone star. The main conference logo features a target-like eye graphic with brightly coloured concentric rings surrounding a pearlescent circle, with a strand of DNA in the inner-most ring. In the background, festive San Antonio lights are strung across trees and buildings, all reflecting on the water. Colourful umbrellas and tables line the River Walk, evoking a cheerful, lively atmosphere.

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One Retinoblastoma World 2026

Program Speakers

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Below you will find details of our Organizing Committee and confirmed speakers for the 2026 program of One Rb World.  The program is in active development, and this page will be updated as the program evolves.

Confirmed Speakers

Paulina Bartoszek, M.D.

Incoming Head of Ocular Oncology, Jules-Gonin Eye Hospital, Lausanne, Switzerland.

President, Academia Ophthalmologica Belgica.

Presentation: Genetic Newborn Screening for Retinoblastoma.

Jesse L. Berry

Jesse L. Berry, M.D.

Chief of Ophthalmology, Children’s Hospital Los Angeles.

Director of Ocular Oncology, USC Roski Eye Institute, Keck School of Medicine, Los Angeles, California.

One Retinoblastoma World 2026 Scientific Program Committee.

Presentation: Liquid Biopsy for Retinoblastoma.

DJ Burzon

DJ Burzon, J.D.

Assistant Prosecutor, Monmouth County Prosecutor’s Office, Asbury Park, New Jersey.

Unilateral Retinoblastoma Survivor.

Panel: Adult Survivors.

Guillermo Chantada

Guillermo Chantada, M.D.

Head of Outreach Program, Pediatric Cancer Center Barcelona, Hospital Sant Joan de Deu, Barcelona, Spain.

Scientific and Academic Director, Fundación Perez Scremini, Montevideo, Uruguay.

Presentation: Non-Chemotherapy Treatment for Retinoblastoma (Pre-Recorded Talk).

Patricia Chevez-Barrios, M.D.

Director of Ophthalmic, Pathology Residency Program, Houston Methodist Hospital, Houston, Texas.

Professor of Pathology and Genomic Medicine, Houston Methodist Hospital, Houston, Texas.

One Retinoblastoma World 2026 Scientific Program Committee.

Presentation: Practical Pathology Findings That Correlate with Molecular and Outcomes.

Kyle Coon

Two-Time Paralympian, Team U.S.A.

Bilateral Retinoblastoma Survivor, Colorado Springs, Colorado.

Presentation: Keynote Address Day 2.

Helene Dameris

Director of Global Outreach, KnowTheGlow, Los Angeles, California.

Clayonia Colbert-Dorsey

Clayonia Colbert-Dorsey

Secretary, World Eye Cancer Hope USA, Gaithersburg, Maryland.

Unilateral Retinoblastoma Survivor.

Panel: Adult Survivors.

Concetta DiDomenico, C.R.N.P., P.N.P.-P.C.

Neuro-Oncology Nurse Practitioner, Children’s Hospital of Philadelphia, Pennsylvania.

Panel: It Takes a Village: The Patient Support Team.

Helen Dimaras

Helen Dimaras, Ph.D.

Scientist and Director of Global Eye Health Research, The Hospital for Sick Children, Toronto, Canada.

Associate Professor, University of Toronto.

Scientific Advisor, World Eye Cancer Hope Canada.

Presentation: Building the Foundations for Earlier Retinoblastoma Detection: Biobanks, Images, and Patient Partnership.

Maura Di Nicola

Maura Di Nicola, M.D.

Assistant Professor of Clinical Ophthalmology, Bascom Palmer Eye Institute, Miami, Florida.

One Retinoblastoma World 2026 Scientific Program Committee.

Presentation: The Burden of Treatment on Medical Professionals.

David Duran, M.D.

Pediatric Hematologist-Oncologist, Fundación Ayúdame A Vivir, San Salvador, El Salvador.

Presentation: The State of Rb in El Salvador.

Didi Fabian

Didi Fabian, M.D.

Associate Professor, London School of Hygiene and Tropical Medicine, England.

Ocular Oncologist and Director of Sheba Global Ophthalmology, Sheba Medical Center, Israel.

Presentation: Global Retinoblastoma 2024 Study (Pre-Recorded Talk).

Brenda Gallie

Brenda Gallie, M.D., F.R.C.S.C.

Ophthalmologist, Retinoblastoma Program, Division of Ophthalmology and Vision Sciences, The Hospital for Sick Children, Toronto, Canada.

Medical Director, World Eye Cancer Hope Canada.

Member, International Retinoblastoma Consortium, Toronto, Canada.

Presentation: Keynote Address Day 1: Rare Retinoblastoma: Key to Cancer Discoveries.

Dan S. Gombos, M.D., F.A.C.S.

Professor, Department of Head and Neck Surgery, Division of Surgery, University of Texas MD Anderson Cancer Center, Houston, Texas.

Clinical Co-Director, Retinoblastoma Center of Houston.

One Retinoblastoma World 2026 Scientific Program Committee.

Presentation: COG Trials and USA National Strategy (Pre-Recorded Talk).

Nerea Goni

Ph.D. Candidate, Keck School of Medicine of USC, Los Angeles, California.

Unilateral Retinoblastoma Survivor.

Panel: Adult Survivor Panel.

Marissa wears a pistachio green sundress and smiles broadly. The background is a beach scene with blue ocean under a clear sky and people sitting in chairs under deep blue parasols.NYT Pic

Marissa D. Gonzalez

President and Founding Board Member, World Eye Cancer Hope USA, Long Beach, California.

Bilateral Retinoblastoma and Melanoma Survivor.

One Retinoblastoma World Event Chair.

Cassi-Jo Groshek, P.A.-C., M.P.A.S. 

Physician Assistant, St. Jude Children’s Research Hospital, Memphis, Tennessee.

Panel: It Takes a Village: The Patient Support Team.

Lizzie Hansen

Director, World Eye Cancer Hope USA, Eagle Mountain, Utah.

Bilateral Retinoblastoma Parent.

Panel: The Parent Perspective.

Leia Hunt

Leia Hunt-Toellner

Founder, Leia’s Kids, McKinney, Texas.

Unilateral Retinoblastoma Survivor.

Panel: Survivorship and Psychological Impact.

Kasra Khatibi, MD

Neuroradiologist, Children’s Hospital Los Angeles, Los Angeles, California.

Assistant Professor of Clinical Neurological Surgery, Keck School of Medicine of USC, Los Angeles, California.

Presentation: All About IAC: An Overview.

Kahaki Kimani, M.D.

Consultant Ophthalmologist, Department of Ophthalmology, University of Nairobi, Kenya.

Presentation: Rb Advancements in Kenya

Kayla Lashinger

Kayla Lashinger, M.S., L.C.G.C.

Neurology Genetic Counselor, University of Florida Norman Fixel Institute for Neurological Diseases, Gainesville, Florida.

Presentation: Caregiver Perspectives on Psychosocial Challenges and Genetic Counseling.

Morgan Livingstone

Morgan Livingstone, C.C.L.S.

Child Life Director, World Eye Cancer Hope, Toronto, Canada.

Certified Child Life Specialist, Michael Garron Hospital.

Panel: What is Child Life?

Erica Levinson, O.D.

Unilateral Retinoblastoma Survivor.

Optometrist, West Palm Beach, Florida.

Panel: Rb Supports.

Camille Loyer

Ocularist, Loyer Artificial Eyes, Melbourne, Australia.

Panel: All About Prosthetic Eyes.

Ashwin Mallipatna, M.B.B.S., M.S.

Head of the Retinoblastoma Program, The Hospital for Sick Children, Toronto, Canada.

Assistant Professor, University of Toronto, Canada.

Presentation: Update of Outcomes of the STEP – Rb Clinical Trial in Toronto.

Grace Melbuer, M.S. Candidate

Graduate Student, Human Genetics and Genetic Counseling, Stanford University School of Medicine, Palo Alto, California.

Presentation: The Future of Newborn Screening for RB1: Evidence, Ethics, and Implementation in the USA.

Melissa B. Mills, M.S.

Genetic Counselor in Perinatal Genetics, Stanford Medicine Children’s Health, Palo Alto, California.

Director, World Eye Cancer Hope USA.

Bilateral Retinoblastoma Survivor.

Presentation: Retinoblastoma and Pregnancy: A Brief Overview of Options to Consider Ahead of Pregnancy.

Debarshi Mustafi, M.D., Ph.D.

Associate Professor, Department of Ophthalmology, University of Washington, Seattle, Washington.

Pediatric Vitreoretinal Specialist, Seattle Children’s Hospital, Seattle, Washington.

Co-Presentation: Decoding the Epigenetic Drivers that Shape Risk of Retinoblastoma (Pre-Recorded Talk).

Daniel Ortiz-Morales, M.D., M.Sc.

Pediatric Oncologist, Hospital General de México, Mexico City, Mexico.

Katherine Paton

Katherine Paton, M.D., F.R.C.S.C.

Clinical Professor, Faculty of Medicine, Department of Ophthalmology & Visual Sciences, University of British Columbia, Vancouver, Canada.

Ocular & Orbital Tumour Group Chair, BC Cancer.

Presentation: Cancer in Canada: How are RB patients being served in 2026?

Shelby Perry

Founder, Eyehesive, San Diego, California.

Presentation: Embracing the One-Eyed Life.

Robert B. Piercy II, B.C.O.

Ocularist, Ocular Prosthetics, Los Angeles, California.

Panel: All About Prosthetic Eyes.

Susan Pultman

Susan Pultman, L.C.S.W., M.Ed.

Oncology Social Worker, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania.

Presentation: Family Cancer Camps.

Aparna Ramasubramanian, M.D.

Ophthalmologist, Wisconsin Children’s, Wauwatosa, Wisconsin.

Division Chief of Pediatric Ophthalmology and Director of Ocular Oncology, Children’s Wisconsin, Milwaukee, Wisconsin.

Presentation: Sustained-Release Topotecan Episcleral Chemo Plaque for Retinoblastoma.

Alena Raza

Bilateral Retinoblastoma Survivor, Austin, Texas.

Panel: Adult Survivors.

Pukhraj Rishi, M.D.

Ocular Oncologist and Associate Professor, University of Nebraska Medical Center, Omaha, Nebraska.

Presentation: Setting Up a New Rb Service in the American Midwest.

Nikola Ristevski

Patient Advocate, Nashville, Tennessee.

Bilateral Retinoblastoma Survivor

Presentation: Sharing and Caring: How Patients Help Build a Biobank for Rare Eye Cancers.

Kathleen Ruddy

Chief Executive Officer, St. Baldrick’s Foundation, Monrovia, California.

Presentation: St. Baldrick’s Foundation: Grant Opportunities in Rb.

Sarah Scollon, M.S., CGC

Co-Director, Cancer Genetics and Genomics Program, Texas Children’s Hospital, Houston, Texas.

Assistant Professor, Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas.

Presentation: Hereditary Retinoblastoma Across the Lifespan.

Omar Shakeel, M.D.

Pediatric Hematologist-Oncologist, Texas Children’s Cancer Long-Term Survivor Program, Houston, Texas.

Assistant Professor of Pediatrics, Baylor College of Medicine, Houston, Texas.

Presentation: Retinoblastoma Survivorship: Why Cure Is Only the Beginning.

Carol Shields

Carol Shields, M.D.

Director, Ocular Oncology Service, Wills Eye Hospital, Philadelphia, Pennsylvania.

Professor of Ophthalmology, Thomas Jefferson University, Philadelphia, Pennsylvania.

Presentation: Behind the Scenes of an EUA Day (Pre-Recorded Talk).

Arun Singh, M.D.

Director of the Department of Ophthalmic Oncology, Cole Eye Institute, Cleveland Clinic, Cleveland, Ohio.

Presentation: Innovations in Drug Delivery for Retinoblastoma.

Allison Geller Smith, M.A.

Founder, Collab in Learning, Glendale, California.

Presentation: IEPs, 504s, and More: Supporting Blind and Low Vision Children Through Their Education Journey.

Courtney Smith, M.D., F.A.A.P.

Pediatrician, Christus Trinity Clinic, San Antonio, Texas.

Unilateral Retinoblastoma Parent.

Panel: The Parent Panel.

Marcus Soper, B.C.O.

Owner and Director of Prosthetics and Clinical Services, Soper Brothers & Associates, Houston, Texas.

Panel: All About Prosthetic Eyes.

Andrew Stacey

Andrew Stacey, M.D., M.Sc.

Associate Professor and Division Director, Ocular Oncology, University of Washington, Seattle, Washington.

Associate Director of Medical Student Education for Research, Department of Ophthalmology, University of Washington, Seattle, Washington.

Co-Presentation: Decoding the Epigenetic Drivers that Shape Risk of Retinoblastoma (Pre-Recorded Talk).

Sandra E. Staffieri, B.App.Sc., Ph.D.

Manager of the Retinoblastoma Service, Royal Children’s Hospital, Melbourne, Australia.

Senior Research Fellow, Centre for Eye Research Australia, University of Melbourne.

Presentation: Retinoblastoma in Oceania: Challenges and Successes.

Jessica Tuomela

Four-Time Paralympian, Team Canada.

Bilateral Retinoblastoma Survivor, Victoria, Canada.

Presentation: Keynote Address Day 2.

Allison Wang, M.S.N.

Nurse Practitioner, Children’s Hospital Los Angeles.

Panel: It Takes a Village: The Patient Support Team.

Lori Weber

Bilateral Retinoblastoma Parent, Newbury Park, California.

Panel: The Parent Perspective.

Megan Webber

Co-Founder, KnowTheGlow, Los Angeles, California.

Coats Disease Parent.

Presentation: KnowTheGlow Awareness Campaigns Around the World.

More About One Rb World 2026

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