Episode 124

EMx 050: Elixir Origin Story with José Valim


January 12th, 2021

1 hr 21 mins 59 secs

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About this Episode

José Valim, the creator of Elixir, shares his story with the panel starting with why he built Elixir. The panel wonders why José did not just use Erlang. José discusses what he wanted from Elixir and what problems he wanted to solve. The panel discusses concurrency, Metaprogramming, ad hoc polymorphism, and run times. José talks about what it was like as elixir grew in popularity and maintaining Elixir.

José shares his goals for Elixir for 2019 and discusses his role in different projects. The panel shares their love for the friendliness and openness of the Elixir community and asks José how it became that way. The history of the signature heart emojis is shared. José shares a little about his everyday life and the things he enjoys to do. The episode ends with an update on the Erlang Ecosystems Foundation. 


  • Mark Ericksen
  • Michael Ries
  • Charles Max Wood
  • Josh Adams


  • José Valim