Kayahan Saritas is a Staff Scientist and computational materials expert with nine years of experience applying first-principles atomistic methods to electronic structure problems across academia and national labs. Trained at MIT and now based at Oak Ridge National Laboratory with a concurrent postdoctoral role at Yale, he has led and coauthored 15 publications—nine as lead author—on topics from DFT to many-body Quantum Monte Carlo and GW calculations. He co-develops and enhances core functionality in QMCPACK, contributing to band-structure analysis and workflow tooling that support GPU-accelerated, production-level QMC simulations. Comfortable operating large-scale academic supercomputers, he also co-advises PhD students developing magnetic 2D materials and Li–air battery models, turning collaborative mentorship into tangible publications. His work blends deep algorithmic development with practical analysis tools, reflecting a rare mix of code-level contributions and domain-driven scientific leadership.
8 years of coding experience
2 years of employment as a software developer
Doctor of Philosophy - PhD, Materials Science, Doctor of Philosophy - PhD, Materials Science at Massachusetts Institute of Technology
Bachelor of Science (B.S.), Materials Engineering, Bachelor of Science (B.S.), Materials Engineering at Sabanci University
Main repository for QMCPACK, an open-source production level many-body ab initio Quantum Monte Carlo code for computing the electronic structure of atoms, molecules, and solids with full performance portable GPU support
Role in this project:
Backend Developer
Contributions:16 commits, 16 PRs, 58 comments in 4 years 3 months
Contributions summary:Kayahan primarily contributed to the `nexus/library/structure.py` and `nexus/library/pwscf_analyzer.py` files, indicating a focus on core library functionalities and analysis tools. They implemented features related to band structure calculations, seekpath integration for crystal structure analysis, and fixing bugs related to polarized calculations. These changes suggest they were involved in enhancing the performance and accuracy of electronic structure calculations within the QMCPACK framework.
Contributions:31 commits, 30 pushes, 1 branch in 1 year 5 months
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