Dr. Joseph Shepherd

Professor

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Biography

Joseph E. Shepherd is the C. L. "Kelly" Johnson Professor of Aeronautics and Mechanical Engineering, Emeritus, at the California Institute of Technology (Caltech). He has a B.S. from the University of South Florida (1976) and a Ph.D. from Caltech (1981). Shepherd served as an Associate Professor at Caltech from 1993 to 1999, before becoming a full Professor until 2008. He then held the title of Johnson Professor until 2025 and has been recognized as Emeritus thereafter. He has also held notable administrative positions including Dean of Graduate Studies from 2009 to 2015 and Vice President of Student Affairs from 2015 to 2020. His research interests encompass combustion, explosion dynamics, detonation, shock waves, hypersonics, structural mechanics, fluid-structure interaction, nuclear power, and aviation safety. Shepherd conducts research in fluid mechanics, solid mechanics, and thermodynamics with applications in explosion dynamics, industrial safety, nuclear power, high-speed flight, propulsion, energy conversion technologies, and medical devices.

Research Interests

Experience

C. L. 'Kelly' Johnson Professor

2008-01-01 — 2025-01-01

California Institute of Technology • Pasadena, CA

Professor of Aeronautics and Mechanical Engineering, Emeritus. Conducts research and teaches in fluid mechanics, solid mechanics, chemistry, and thermodynamics.

Associate Professor

1993-01-01 — 1999-01-01

California Institute of Technology • Pasadena, CA

Served as Associate Professor in the Department of Mechanical Engineering.

Dean of Graduate Studies

2009-01-01 — 2015-01-01

California Institute of Technology • Pasadena, CA

Oversaw graduate academic affairs and student education.

Vice President, Student Affairs

2015-01-01 — 2020-01-01

California Institute of Technology • Pasadena, CA

Managed student affairs and engagement.

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.