Matchmaking for Rare Disease Diagnosis

In the thirty-fifth installment of the PhenoTips Speaker Series, strategists, developers, and researchers, Dr. Nara Sobreira, Matt Osmond, and Dr. Orion Buske, discuss the past, present, and future of matchmaking platforms for rare disease diagnosis.

Published on February 25, 2026

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Advances in genomic medicine have resulted in life changing answers, but only 40% of the over 300 million people worldwide living with undiagnosed disease receive a diagnosis from genome sequencing alone. For the remaining 60%, the rare nature of their condition makes it challenging to identify unrelated individuals with a matching variant or gene. Patient matchmaking is a tool for international collaboration that drives diagnosis, enabling the secure sharing of cases by clinicians and scientists to identify individuals with overlapping clinical presentations and rare variants in the same gene.

PhenoTips software supports lifesaving rare disease research and care

Find out how PhenoTips supports groundbreaking rare disease initiatives.

Dr. Sobreira is an Associate Professor at the McKusick-Nathans Department of Genetic Medicine at Johns Hopkins School of Medicine with primary interest in identifying genes that cause rare Mendelian phenotypes and analysis of sequencing data. She has worked extensively on novel strategies for data sharing that facilitate novel disease gene discovery. Dr. Sobreira participated in the development of PhenoDB, a phenotypic and genomic database, and created PhenoDB Variant Analysis Tool used worldwide. She is also one of the creators of GeneMatcher, VariantMatcher, and one of the co-founders of the Matchmaker Exchange and the Variant-Level Matching Network, all intended to share next-generation sequencing data.

Matthew Osmond is a certified genetic counsellor at the CHEO Research Institute, and has worked as a project manager for Care4Rare Canada since 2018. He first graduated from Carleton University with a Bachelor of Science Biology, later graduated from McGill University in 2016 with a Master of Science in Human Genetics, and most recently completed a Masters in Genetic Counselling at the University of Toronto. His current research interests include analyzing multi-omic data for unsolved patients, piloting new forms of genomic matchmaking, and developing infrastructure for harmonizing rare disease patient cohorts.

Dr. Orion Buske is the Chief Executive Officer of PhenoTips, where he has been instrumental to the development of the innovative Genomic Health Record software for nearly a decade. Dr. Buske holds a PhD in Computer Science from the University of Toronto, where he specialized in algorithms for genome analysis and rare disease patient matchmaking, leading the technical working group of the Matchmaker Exchange as well as the redevelopment of RareConnect.org. Throughout his career he has also led the technical developments of both PhenomeCentral and PatientKind.

In this panel discussion, the strategists, developers, and researchers behind patient matchmaking initiatives will address:

  • Patient matchmaking as a driver of diagnosis
  • The technology, interoperability, and structured data powering matchmaking platforms
  • The future of matchmaking and international collaboration

Don't stop there

Interested in learning more? Check out our PhenoTips’ Speakers Series.
A grid of the headshots of Helene Cederroth, a white woman with grey hair, Dr. Wendy van Zelst-Stams, a blonde white woman, Dr. Eric Klee, a white man with brown hair, Dr. Angelica Delgado Vega, a brown woman with brown hair, and Dr. Orion Buske, a white man with brown hair, glasses, and a trim beard.

The Undiagnosed Hackathon: Driving Diagnosis Through Global Collaboration

Past and future organizers of the Undiagnosed Hackathon, Helene Cederroth, Dr. Wendy van Zelst-Stams, Dr. Angelica Delgado Vega, and Dr. Eric Klee, discuss the lifesaving power of collaboration. Hosted by PhenoTips’ CEO Dr. Orion Buske.

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