Andreas Zeller
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| Andreas Zeller | |
|---|---|
| Born | |
| 🎓 Alma mater | TU Braunschweig (PhD, summa cum laude) |
| 💼 Occupation | |
| Known for | Delta debugging, automated fault localisation, fuzzing, mining software repositories |
| 🏅 Awards | ACM Fellow; IEEE Fellow; IFIP Fellow; ACM SIGSOFT Outstanding Research Award; IEEE Harlan D. Mills Award; ACM SIGSOFT Influential Educator Award; two ERC Advanced Grants |
Andreas Zeller is a German computer scientist who is faculty at the CISPA Helmholtz Center for Information Security and Professor of Software Engineering at Saarland University.[1] He is internationally recognised for foundational contributions to debugging, software testing, and mining software repositories.
Education and career
Zeller received his PhD in Computer Science from TU Braunschweig (with distinction, summa cum laude) and subsequently held academic positions in Braunschweig, Passau, and Saarbrücken. He has held visiting appointments at Microsoft Research, ETH Zurich, and the University of Washington. He is a member of Academia Europaea.[2]
Research
Zeller's core contributions lie in techniques that automatically find, explain, and fix defects in software:
- Delta debugging – an algorithm that automatically narrows a failing test case to its minimal cause; the technique is the basis of modern test-case reduction tools
- Mining software repositories – using version control histories and bug databases to predict faults and understand software evolution
- Automated fuzzing – Zeller and his group developed grammar-based fuzzing techniques extensively documented in The Fuzzing Book
- Automated debugging – work on localising faults from failing executions, documented in The Debugging Book
He is the author of Why Programs Fail (Morgan Kaufmann, 2005; 2nd ed. 2009), the first textbook on systematic software debugging, and of the open educational resources The Fuzzing Book and The Debugging Book, both freely available online and used in courses worldwide.[3]
Awards and recognition
- ACM Fellow
- IEEE Fellow
- IFIP Fellow
- ACM SIGSOFT Outstanding Research Award
- IEEE Harlan D. Mills Award
- ACM SIGSOFT Influential Educator Award (first German recipient)
- Two ERC Advanced Grants
References
- ↑ "Andreas Zeller". CISPA Helmholtz Center for Information Security. Retrieved 2026-05-06.
- ↑ "CISPA researcher Andreas Zeller inducted into Academia Europaea". CISPA. Retrieved 2026-05-06.
- ↑ "About Me". Andreas Zeller. Retrieved 2026-05-06.
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