James Choncholas

Software Engineer at Google


James Choncholas is a Software Engineer specializing in privacy-preserving computation. His work bridges theoretical cryptography with practical applications, working on topics like secure multiparty computation (MPC) and homomorphic encryption (HE). James’ work addresses critical challenges in balancing performance, utility, and privacy in distributed systems.

Work

  1. Choncholas, James and Kachana, Pujith and André, Mateus and Gregoire, Phillips and Gavrilovska, Ada (2024). Snail: Secure Single Iteration Localization . Privacy Enhancing Technologies Symposium (PETS).
  2. Choncholas, James and Bhardwaj, Ketan and Kolesnikov, Vlad and Gavrilovska, Ada (2023). Angler: Dark Pool Resource Allocation . ACM/IEEE Symposium on Edge Computing (SEC).
  3. Choncholas, James and Bhardwaj, Ketan and Gavrilovska, Ada (2023). TGh: A TEE/GC Hybrid Enabling Confidential FaaS Platforms . Cryptology ePrint Archive.
  4. Choncholas, James and Bhardwaj, Ketan and Gavrilovska, Ada (2021). The Performance Argument for Blockchain-based Edge DNS Caching . ACM/IEEE Symposium on Edge Computing (SEC).
  5. Choncholas, James and Bhardwaj, Ketan and Gavrilovska, Ada (2021). MPC Benchmarking and Optimization for Edge Systems . Semiconductor Research Corporation TECHCON.
  6. Choncholas, James and Bhardwaj, Ketan and Gavrilovska, Ada (2020). GeoENS: Blockchain-based Infrastructure for Service Discovery at the Edge . USENIX Workshop on Hot Topics in Edge Computing (HotEdge).
  7. Hsu, Ke-Jou and Choncholas, James and Bhardwaj, Ketan and Gavrilovska, Ada (2020). DNS Does Not Suffice for MEC-CDN . ACM Workshop on Hot Topics in Networks (HotNets).
  8. Choncholas, James and Bhardwaj, Ketan and Gavrilovska, Ada (2020). GeoENS Lightening Presentation . Ethereum Name Service Workshop.

Non-Work

  • Research cloud credit award - Google Cloud Platform (2024)
  • Outreach - Queer Science (2023, 2024)
  • Teaching Assistant - CS 8803 - Blockchain and Cryptocurrencies with Vlad Kolesnikov (2023)
  • Student Advisee, Pujith Kacahana - PURA Award Winner (2023)
  • Teaching Assistant - CS 7210 - Distributed Systems with Ada Gavrilovska (2022)
  • Travel Grant - Symposium on Edge Computing (2021)
  • Presidents Fellowship - Georgia Institute of Technology (2019-2024)
  • Bruce W. Shand Engineering Scholarship (2015, 2016)
  • Engineering Expo First Place Exhibitor - University of Wisconsin - Madison (2015)
  • Grainger Scholarship (2013, 2014)