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Filip Jerzy Pizło

I like to design and implement programming languages.

I'm the Director of Programmability and Data Model at Roblox. Previously, I worked at Epic Games (Senior Director of Language Engineering) and Apple (Manager of the JavaScriptCore Team).

Some of my top accomplishments:

Cool recent stuff:
  • Zef programming language
  • Yosh, the AI bash fork
I usually go by "Phil" when speaking English.