NOV 2025 PUB (CLICK): USH2A-Mutated Human Retinal Organoids Model Rod–Cone Dystrophy

Ballios Lab
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    • Home
    • Research Profile
    • Who We Are
      • Dr. Brian Ballios
      • Ballios Lab Team
    • Publications
    • In the News
    • Blog
    • Contact Us

  • Home
  • Research Profile
  • Who We Are
    • Dr. Brian Ballios
    • Ballios Lab Team
  • Publications
  • In the News
  • Blog
  • Contact Us

Ballios Lab Team

CASSANDRA D'AMATA

Lab Manager

Cassandra became interested in the field of stem cell biology during her undergrad at York University, which led her to pursue a Master's in Cell & Systems Biology at the University of Toronto. Since completing her M.Sc. in 2017, she has held lab manager and technician positions at the University of Toronto and the Hospital for Sick Children, and is delighted to now be working in the Ballios Lab. Outside of the lab, she enjoys making music, training in martial arts, and spending time with her 2 dogs and 2 cats. 

Jhanique Nicholas

Administrative Assistant

Jhanique holds a diploma in Office Administration – Health Services from Durham College. She recently joined the Ballios Lab at UHN’s Donald K. Johnson Eye Institute as an Administrative Assistant to Dr. Brian Ballios, Clinician Scientist. In this role, she also provides administrative support to staff and trainees within the lab. Prior to joining UHN, Jhanique served as an Administrative Assistant to the Director of Surgery at Lakeridge Health. Outside of work, she enjoys watching movies, going for walks, sewing, and cooking delicious meals.

Kristen Ashworth

PhD Candidate

Kristen is currently pursuing her PhD studies at the Ballios Lab with the Institute of Medical Science at the University of Toronto. She graduated from the University of Guelph in 2022 with an H.BSc. (High Distinction) in Bio-Medical Science. Her thesis work at the Ballios Lab is focused on developing a retinal organoid model in which to evaluate stem cell therapies for USH2A-associated inherited retinal diseases.  Kristen loves cross country running, reading a good book, and doting on her golden retrievers.


Graduate Awards:

  • Canada Graduate Scholarship - Doctoral Program (CIHR) Award (2024-27)
  • Vision Science Research Program OSOTF PhD Scholarship (2024-27)
  • Vision Science Research Program Travel Award (2024)
  • Institute of Medical Science Open Fellowship Award (2023)
  • Vision Science Research Program OSOTF MSc Scholarship (2023-24)
  • Canada Graduate Scholarship - Master's Program (CIHR) Award (2023-24)
  • OSOTF Unilever/Lipton Graduate Fellowship (2023)
  • University of Toronto School of Graduate Studies Travel Award (2023)
  • Temerty Faculty of Medicine Academic Merit Scholarship (2022)

Jackson Zhang

Laboratory Technician

Jackson received his MSc with the Ballios Lab and in the Department of Laboratory Medicine and Pathobiology at the University of Toronto in June of 2025. Before this, he graduated from the University of Toronto in 2023 with an HBSc with high distinction double-majoring in Physiology and Pharmacology. With a passion for biomedical research, he is pleased to join Dr. Ballios’ lab and focuses on the molecular biology aspects of the projects. Outside the lab, Jackson loves photography, thrifting, hiking, and camping trips with friends in nature.


 Awards:

  • Donald K. Johnson Eye Institute Travel Award (2024)
  • University of Toronto Fellowship - Laboratory Medicine and Pathobiology (2023)

Ali Zahedi Amiri

PhD Student

Ali is pursuing his PhD in Medical Science at the University of Toronto. He earned his M.Sc. in Medical Microbiology from the University of Manitoba in 2019, where he studied the proteome of stem cells in response to viral infections. Before joining the Ballios Lab in 2025, he worked in Canada’s biotech-pharma industry as an R&D Scientist. His PhD research focuses on developing a smart hydrogel-based retinal patch with stem cell-derived retinal cells integrated with biosensors to study inherited retinal diseases. Outside the lab, Ali enjoys watching movies, walking, and reading.

LAB AlUMNI

Jessica Wang

Jessica Wang

Jessica Wang

MSc Student


Brianna Lu

Jessica Wang

Jessica Wang

Undergraduate Student


Ethan LAM

Jessica Wang

Jess Weisbrod

Undergraduate Student


Jess Weisbrod

Giuseppe Joshua Lopez

Jess Weisbrod

Undergraduate Student


Giuseppe Joshua Lopez

Giuseppe Joshua Lopez

Giuseppe Joshua Lopez

Undergraduate Student


Foram Naik

Giuseppe Joshua Lopez

Giuseppe Joshua Lopez

Undergraduate Student


Ha Ryun Yang

Ha Ryun Yang

Ha Ryun Yang

Undergraduate Student


Ballios Lab

Donald K. Johnson Eye Institute - 60 Leonard Avenue, Toronto, ON

info.ballioslab@gmail.com

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