Dr. Joel Kostka

Professor

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Biography

Joel Kostka is a distinguished professor at the Georgia Institute of Technology, specializing in ocean science and engineering. His research primarily focuses on the microbial carbon and nitrogen cycles, the cultivation of marine microbes, biodegradation, and bioremediation. Kostka is involved in major projects like the SPRUCE climate change experiment, which examines warming bogs and their potential to contribute to greenhouse gas emissions. He has made significant contributions to the understanding of microbial degradation processes, particularly concerning plastic marine debris and high-pressure methane hydrate cores. Over his career, Kostka has been at the forefront of research related to microbial science, with a particular emphasis on the impacts of environmental disturbances like oil spills on ecosystems. He actively publishes in various scientific journals and is committed to advancing our knowledge of how microbial communities respond to changing ecological conditions.

Research Interests

Requirements for Georgia Institute of Technology

Doctorate Program
Requirements
GPA Requirement
Required:3.5
TOEFL
Listening
Required:19
Reading
Required:19
Writing
Required:19
Speaking
Required:19
Total
Required:100
IELTS
Listening
Required:6.5
Reading
Required:6.5
Writing
Required:5.5
Speaking
Required:6.5
Overall
Required:7.5
Prerequisites
Undergraduate degree in computer science or related field
Application Checklist
  • Online application
  • Official transcripts
  • Three letters of recommendation
  • Statement of Purpose
Specialization Notes

Department of Computer Science: GRE scores are optional for Fall 2026.