Dr. Tierra Evans

Assistant Professor

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Biography

Tierra Smiley Evans is an assistant professor specializing in the study of emerging zoonoses at the School of Public Health, with a joint appointment in the Department of Integrative Biology. Her research explores how anthropogenic forest changes influence the ecology and evolution of zoonotic viruses. The Smiley Lab focuses on the intricate relationships between global forest change, biodiversity loss, and disease emergence, emphasizing the patterns of disease spillover associated with newly created forest edges and their impacts on human and wildlife health.

Research Interests

Zoonotic Infectious Disease Anthropogenic Forest Change

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.