Lab Members

  • Robert J. Johnston Jr. (Bob)

    Principal Investigator

    Pew Scholar

    CV

  • Joanna Hagen

    NEI K99/R00 Research Fellow

    Scientific Interest: The genetic and developmental basis of color vision evolution in primates

    Email: jhagen6 @ jhu.edu

    Twitter: JoannaHagen2

  • Alison J. Ordway

    NIH NRSA Post-doctoral Fellow

  • Christina McNerney

    Postdoc

    NIH NRSA Pre-doctoral Fellow

    Scientific Interest: Regulation of thyroid hormone signaling in cone subtype specification in the human retina

    Email: cmcnern1 @ jhu.edu

  • Brian Guy

    Postdoc

    NIH NRSA Pre-doctoral Fellow

  • Jingliang (Simon) Zhang

    Postdoc

    Scientific Interest: Development and survival of retinal ganglion cells in human retinal organoids

    Email: jzhan235 @ jhu.edu

    Twitter: simonational

  • Emma Steinson

    CMDB Graduate Student

    NIH NRSA Pre-doctoral Fellow

  • Tye Chicha

    CMDB Graduate Student

    2022 Vivien Thomas Scholar

    NSF Graduate Research Fellow

  • Allie Taylor

    Neuroscience Graduate Student

    NIH NRSA Pre-doctoral Fellow

    VSTP Fellow

  • Antonio Ortega

    Cellular and Molecular Medicine Graduate Student

    2024 Vivien Thomas Scholar

  • Braeden Koza

    Lab Manager

  • Ryan Freund

    Undergraduate Student

    2023-24 Provost’s Undergraduate Research Award (PURA)

  • Marina Curchitser

    Undergraduate Student

    2024 Summer Provost’s Undergraduate Research Award (PURA)

  • Katalina (Katie) Li

    Undergraduate Student

    2025 Summer Provost’s Undergraduate Research Award (PURA)

  • Alessia Iannuzzi

    Undergraduate Student

    Woodrow Wilson Fellow

  • Megan Lincicum

    Undergraduate Student

    2025 Summer Provost’s Undergraduate Research Award (PURA)