About
Lionel Parreaux is an Assistant Professor at the department of Computer Science and Engineering (CSE), the Hong Kong University of Science and Technology (HKUST). His main research interests include programming languages, type systems, compiler optimization, metaprogramming, and functional programming. He is interested in making high-level programming languages both safer and more efficient, mainly through innovations in type systems, compilers, and metaprogramming, thereby achieving the goal of "Abstraction Without Regret". His research on metaprogramming received Best Paper award at GPCE 2017. Lionel obtained his PhD at EPFL in Lausanne, Switzerland.
Research Interests
Type systemsCompiler optimizationMetaprogrammingFunctionalprogrammingDomain-specific languages
Last updated: 4/10/2026