Dr. John Flannery

Professor

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Biography

John G. Flannery is a Professor in the Department of Molecular & Cell Biology at the University of California, Berkeley, and serves as the Associate Director of the Helen Wills Neuroscience Institute. His research focuses on cellular and molecular neuroscience, particularly the molecular mechanisms underlying retinal degeneration and the development of novel therapeutic strategies to treat these conditions. His lab aims to develop therapeutic approaches to slow or prevent the loss of rod and cone photoreceptors, retinal pigment epithelium cells, and other supportive cells during retinal degenerations. His work includes the development of next-generation adeno-associated viral vectors for therapeutic gene delivery and gene editing technologies aimed at restoring light sensitivity in the retina. Flannery’s educational contributions include teaching courses in Vision Science, Neuroanatomy, Neurophysiology, and the Visual System, where he explores the structure and function of the neurosensory retina and the latest diagnostic techniques for retinal conditions.

Research Interests

Courses

Vision Science Neuroanatomy Neurophysiology Eye Visual System

Requirements for University of California, Berkeley

Doctorate Program
Requirements
GPA Requirement
Required:3
GRE Subject
Overall Score
Required:500
Overall
Required:500
TOEFL
Total
Required:90
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree or recognized equivalent Preparation comparable to undergraduate major at Berkeley in Mathematics or Applied Mathematics 2 full years lower-division work (Calculus, Linear Algebra, Differential Equations, Multivariable Calculus) 8 one-semester upper-division courses (Real Analysis, Complex Analysis, Abstract Algebra, Linear Algebra)
Application Checklist
  • Graduate Application
  • Statement of Purpose
  • Personal History Statement
  • Three Letters of Recommendation
  • Unofficial Transcripts
  • C.V./Resume
  • Course and Textbook List
Specialization Notes

The Mathematics Subject GRE is required for the Fall 2026 admissions cycle. General GRE is optional.