Dr. Ryan Sullivan

Professor

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Biography

Ryan Sullivan is a Professor in the Department of Chemistry at Carnegie Mellon University, where he holds a courtesy appointment in the Department of Mechanical Engineering. He is a faculty member of the Center for Atmospheric Particle Studies and focuses on atmospheric analytical chemistry, particularly in single-particle analysis and heterogeneous kinetics. His research interests encompass the development of improved aircraft-deployable analytical instrumentation for characterizing individual atmospheric particles in real-time. This includes investigating the physicochemical properties of atmospheric particles, their emissions from diverse sources, and the chemical processes affecting their ability to nucleate cloud droplets and ice crystals, with implications for climate change. His work is characterized by a balanced approach between instrument development, laboratory experiments, and field measurements. Sullivan's contributions are significant in understanding and improving our knowledge of atmospheric processes and their impact on the Earth's climate.

Research Interests

Experience

Professor

2008-01-01 — Present

Carnegie Mellon University • Pittsburgh, PA

Teaching and researching atmospheric analytical chemistry and related subjects.

Requirements for Carnegie Mellon University

Doctorate Program
Requirements
GPA Requirement
Required:3.5
GRE General
Verbal
Required:158
Quantitative
Required:149
Analytical Writing
Required:4
Overall
Required:4
Prerequisites
Bachelor's degree in Psychology or related field Research experience/publications
Application Checklist
  • Online application
  • Statement of Purpose
  • Three letters of recommendation
  • Transcripts
  • GRE scores (optional but reported in profile)
  • English Proficiency (TOEFL/IELTS/Duolingo)
Specialization Notes

Admission is extremely competitive with no strict GPA cut-offs; holistic review is used.