Dr. John Seinfeld

Professor

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Biography

Professor John H. Seinfeld is an expert in environmental science engineering, with a focus on atmospheric chemistry and the interactions between aerosols and climate. His research encompasses secondary organic aerosol formation and the relationships between aerosols and cloud dynamics. He has conducted extensive studies involving laboratory chamber experiments, flow tube investigations, and large-scale atmospheric modeling, as well as aircraft measurements to gain insights into atmospheric processes. Seinfeld has held a series of significant academic positions including Assistant Professor, Associate Professor, and Professor at the California Institute of Technology (Caltech). He has contributed to the academic community through various administrative roles including Executive Officer and Division Chair.

Research Interests

Experience

Nohl Professor Emeritus

— Present

California Institute of Technology • Pasadena, CA

Professor John H. Seinfeld holds the title of Nohl Professor Emeritus at Caltech, focusing on contributions to atmospheric chemistry and environmental engineering.

Nohl Professor

— Present

California Institute of Technology • Pasadena, CA

Served as Nohl Professor, leading research in environmental science and engineering.

Professor

— Present

California Institute of Technology • Pasadena, CA

Taught and conducted research in chemical engineering, with a focus on environmental science.

Associate Professor

— Present

California Institute of Technology • Pasadena, CA

Promoted to associate professor, continuing research in atmospheric science.

Assistant Professor

— Present

California Institute of Technology • Pasadena, CA

Started academic career as an assistant professor in chemical engineering.

Requirements for California Institute of Technology

Doctorate Program
Requirements
TOEFL
Total
Required:100
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree or equivalent Strong background in mathematics and physical sciences
Application Checklist
  • Online Application
  • Statement of Purpose
  • Three Letters of Recommendation
  • Transcripts
  • Resume/CV
Specialization Notes

Most Caltech graduate programs are PhD-only. GRE General and Subject tests vary by department; many have made them optional or no longer accept them.