Gerd Zellweger
Scientist & Co-Founder at Feldera
Palo Alto, California, United States
Summary
🤩
Rockstar🎓
Top SchoolGerd Zellweger is a scientist and tech-founder with 16 years of experience building and researching operating systems and systems software, currently based in Palo Alto. After a PhD in Operating Systems from ETH Zürich and research roles at ETH, Microsoft Research, HP Labs and VMware, he co-founded Feldera to bring research-grade systems thinking to product development. He contributes to core open-source Rust projects—such as rust-lang/libc—demonstrating low-level Linux syscall expertise and practical API bindings, and has enhanced criterion.rs with advanced custom benchmarking features. Gerd blends rigorous academic methods with hands-on engineering, favoring precise, measurable approaches to performance and correctness that few founders can claim.
16 years of coding experience
11 years of employment as a software developer
Doctor of Philosophy - PhD Operating Systems, Doctor of Philosophy - PhD Operating Systems at ETH ZürichKantonsschule Obwalden
German, English
Github Skills (10)
linux10
benchmark10
benchmarking10
rust10
system-programming10
documentation9
c119
c179
testing8
network-programming8
Programming languages (12)
Github contributions (5)
rust-lang/libc
Oct 2018 - Nov 2018
Raw bindings to platform APIs for Rust
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 1 PR, 3 comments in 1 month
Contributions summary:Gerd contributed to the `rust-lang/libc` repository by adding and modifying Linux-specific system call definitions. They integrated the `net_tstamp.h` header and introduced related constants for network timestamping functionality. The user also refactored code, moving definitions and removing unsupported options, demonstrating expertise in understanding and adapting system-level APIs.
rust
bheisler/criterion.rs
Jul 2019 - Jul 2019
Statistics-driven benchmarking library for Rust
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 commits, 3 PRs, 12 comments in 7 days
Contributions summary:Gerd primarily contributed to the implementation and documentation of a custom iteration feature within the `criterion.rs` benchmarking library. They added and refined the `iter_custom` function, allowing users to measure the execution time of custom routines within the benchmarking framework. Their work also involved updating the example documentation, clarifying the timing model, and making minor formatting and typo fixes related to the `iter_custom` implementation. The user's contributions significantly enhanced the flexibility of the benchmarking library.
statisticsbenchmarkingbenchmarking-librarycriterionrust
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