Eduard Antonyan
Managing Director at Two Sigma
United States
Summary
🤩
Rockstar🎓
Top SchoolEduard Antonyan is a seasoned quantitative research and technology leader with 12+ years of experience translating advanced quantitative methods into production trading systems, now serving as Managing Director at Two Sigma. His career includes a long tenure as a quantitative researcher at Citadel Securities and internal leadership roles there, giving him deep expertise in high-performance data pipelines and low-latency analytics. He holds a PhD in Physics from the University of Chicago and combines rigorous academic training with practical engineering judgment developed across research and industry roles. An active back-end contributor to the widely used R data.table project, he improved file-reading flexibility and core data-manipulation behaviors—work that reflects his focus on reliable, high-throughput data tooling. Based in the United States, he blends hands-on coding with strategic program leadership, often tackling thorny edge cases like key handling and type coercion that other teams overlook. Known for moving between research-grade proof-of-concept work and production-hardened implementations, he excels at turning complex models into robust, scalable systems.
12 years of coding experience
15 years of employment as a software developer
PhD Physics, PhD Physics at Cornell UniversityBS Physics, BS Physics at Yerevan State UniversityPhD Physics, PhD Physics at University of Chicago
Armenian, Russian, English
Github Skills (13)
file-handling10
data-manipulation10
file-processing10
file-access10
fileio10
r10
package-development9
data-structure9
data-structures9
optimization8
optimisation8
optmization8
performance-optimization8
Programming languages (6)
Github contributions (5)
Rdatatable/data.table
Sep 2013 - Apr 2015
R's data.table package extends data.frame:
Role in this project:
Back-end Developer
Back-end DeveloperContributions:33 commits, 1 PR, 1 push in 1 year 7 months
Contributions summary:Eduard primarily contributed to the `data.table` package, focusing on enhancing its file reading capabilities and data manipulation features. They implemented the ability to execute commands directly within `fread`, improving its flexibility and efficiency. Furthermore, the user addressed several bugs, including those related to key handling and data type coercion, and added features such as `key` argument in [.data.table and the `fill` option for `rbind`.
r-packageframecranrrstats
eantonya/hassio-addons
Feb 2018 - May 2018
Contributions:18 pushes in 3 months
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