Functional programmer, PhD in computer science, and quantitative finance developer. I've been programming Haskell for 14 years now. I write trading software for Standard Chartered. Views expressed are my own.

Co-author of the book, Real World Haskell, and of the xmonad window manager. I founded the Haskell Platform project and wrote the bytestring and binary libraries for Haskell. I'm interested in building great software, type-driven compiler optimizations and high-performance data structures.

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