Kim Laine
Principal Researcher at Microsoft
Redmond, Washington, United States
Summary
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Rockstar🎓
Top SchoolKim Laine is a Principal Researcher at Microsoft Research in Redmond with a decade of experience advancing applied cryptography and privacy technologies. He leads development and research for Microsoft SEAL, a widely used open-source homomorphic encryption library, and has a track record of shipping high-quality prototypes, production-ready code, and peer-reviewed publications. Kim combines deep mathematical training (PhD-level mathematics from UC Berkeley) with hands-on systems engineering—implementing serialization, compression support (Zstandard/ZLIB), and rigorous unit tests to improve performance and correctness. He has driven standardization efforts as a co-organizer of HomomorphicEncryption.org and routinely mentors interns while translating cryptographic research into real-world impact. An under-the-radar strength is his focus on both low-level optimization and reproducible software practices, bridging theory and robust engineering in privacy-preserving systems.
10 years of coding experience
9 years of employment as a software developer
Doctor of Philosophy (Ph.D.), Mathematics, Doctor of Philosophy (Ph.D.), Mathematics at University of California, BerkeleyDoctor of Philosophy (Ph.D.), Mathematics, Doctor of Philosophy (Ph.D.), Mathematics at UC Berkeley
Swedish, Finnish
Stackoverflow
866reputation
13kreached
33answers
0questions
Github Skills (17)
c-language10
testing10
data-serialization10
serialization10
cprogramming-language10
zstandard9
cryptography9
zlib9
data-structures8
data-structure8
truncation6
encryption6
plaintext6
post-quantum-cryptography6
seal6
Programming languages (6)
Github contributions (5)
microsoft/SEAL
Nov 2018 - Jan 2023
Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.
Role in this project:
Backend Developer & Security Engineer
Backend Developer & Security EngineerContributions:50 releases, 780 commits, 56 PRs in 4 years 2 months
Contributions summary:Kim implemented unit tests for the `CoeffModulus` and `Modulus` classes, contributing to the test suite and ensuring code correctness. They also added functionality for supporting Zstandard and improved ZLIB integration, demonstrating expertise in compression and potential performance optimization. The user also focused on implementing new serialization methods for the SEAL library.
homomorphic-encryptionencryptioncryptography
microsoft/APSI
May 2021 - Jul 2022
APSI is a C++ library for Asymmetric (unlabeled or labeled) Private Set Intersection.
Contributions:4 releases, 42 commits, 7 PRs in 1 year 2 months
cpp
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