Functional programmers on Twitter

Twitter has become quite the hotbed of chatter about functional programming over the past few months, as a substantial number of pretty well known FP people have either been present all along or have signed up recently and started following each other.

Here is a list of people I know about who tweet about FP on a semi-regular basis, along with what I think are their main interests. If you want to see the list extended or modified, let me know.

Bryan O’Sullivan (bos31337) – Haskell
Chris Smith (aChrisSmith) – F#
Alex Payne (al3x) – Scala
Brandon Allberry (allberry_b) – Haskell
alpheccar – Haskell
Andre Pang (andrepang) – Erlang
Arnar Birgisson (arnarbi) – Haskell
Brad Anderson (boorad) – Erlang
Chris Eidhof (chriseidhof) – Haskell
Conal Elliott (conal) – Haskell
Conrad Parker (conradparker) – Haskell
Dean Wampler (deanwampler) – Scala
Don Stewart (donsbot) – Haskell
Dave Pollak (dpp) – Scala
David MacIver (DRMacIver) – Scala
Eelco Lempsink (eeclo) – Haskell
Bob Ippolito (etrepum) – Erlang
Galois, Inc. (galoisinc) – Haskell
Jake McArthur (geezusfreeek) – Haskell
Pepe Iborra (hate_pick_pick) – Haskell
John Goerzen (jgoerzen) – Haskell
John Kalucki (jkalucki) – Scala
Eugene Kirpichov (jkff) – Haskell
Jorge Ortiz (jorgeortiz85) – Scala
Joseph Holsten (josephholsten) – FP
Justin Sheehy (justinsheehy) – Erlang
Kazuya Sakakihara (kazooya) – Haskell
Kevin Smith (kevsmith) – Erlang
Dave Fayram (kirindave) – Erlang
Edward Kmett (kmett) – Haskell
Kevin Scaldeferri (kscaldef) – Erlang
Matthew Podwysocki (mattpodwysocki) – F#, Haskell
Mark Reid (mdreid) – Haskell
Mickaël Rémond (mickael) – Erlang
Andy Adams-Moran (morabbin) – Haskell
Neil Bartlett (njbartlett) – Haskell
Nick Gerakines (ngerakines) – Erlang
Paul Brown (paulrbrown) – Haskell
Paul Snively (psnively) – OCaml
Rusty Klophaus (rklophaus) – Erlang
Robey Pointer (robey) – Scala
Shae Erisson (shapr) – Haskell
Sigbjorn Finne (sigbjorn_finne) – Haskell
Dan Piponi (sigfpe) – Haskell
Spencer Janssen (spencerjanssen) – Haskell
Steve Jenson (jenson) – Scala

Isaac Jones (SyntaxPolice) – Haskell
Manuel Chakravarty (TacticalGrace) – Haskell
Tom Moertel (tmoertel) – Haskell
Thomas Sutton (thsutton) – Haskell
Joel Reymont (wagerlabs) – Erlang
Creighton Hogg (wchogg) – Haskell
Joe Williams (williamsjoe) – Erlang
Yariv Sadan (yarivs) – Erlang

Posted in hardware, slice-o-life
37 comments on “Functional programmers on Twitter
  1. Shae Erisson says:

    Ahem, Shae *Erisson* – Last name is “son of Eris”

  2. How embarrassing, given that I have a name that people often misspell. Sorry, Shae!

  3. Paul Brown says:

    You can add me to the list Paul Brown (paulrbrown), although I give equal time to impure pursuits.

  4. Alex Payne says:

    Several of us who work at Twitter are functional programmers, actually. You’ve got Steve Jenson on your list, but you got his username wrong 🙂

    Steve Jenson (stevej) – Scala, Erlang, Haskell, many others
    Robey Pointer (robey) – Scala
    Alex Payne (al3x) – Scala
    John Kalucki (jkalucki) – Scala

    Scala isn’t the purest functional language, of course, but since you’ve got other Scala folks on the list:

    Dave Pollak (dpp) – Scala
    Jorge Ortiz (jorgeortiz85) – Scala

    Thanks for putting together this list!

  5. Phil says:

    No OCaml-ists?

  6. Dave Fayram says:

    I’m a functional programmer (erlang) and I am on Twitter (kirindave).

  7. Thanks all, updated.

  8. Dean Wampler says:

    You can add me to your Scala gang: deanwampler

  9. Edward Kmett says:

    Ack. I’ve been kicked clear out of #haskell and turned into a Scala person. I didn’t realize that my penchant for verbosity was that obvious. 😉

  10. I’m on twitter as morabbin (Haskeller, Galois co-founder).

  11. I’m the fool who writes functionally in mainstream languages. That means no tail recursion (barring evil gotos)! Someday I’ll finally learn haskell, but writing scheme in 48 hours takes longer than I thought.


  12. Russell says:

    Don’t forget Joel Reymont. He runs a new Erlang Journal and wrote OpenPoker in Erlang. His twitter account is wagerlabs.

  13. boorad says:

    Brad Anderson (boorad) – Erlang

  14. boorad says:

    Couple more 😉

    Kevin Smith – kevsmith – Erlang
    Nick Gerakines – ngerakines – Erlang

  15. joe says:

    i post about erlang a bit:

    Joe Williams (williamsjoe)

  16. Thanks, all. Updated again!

  17. joe says:

    i mostly post about erlang, mind adjusting mine? (williamsjoe)

  18. For what it’s worth, I’m an erlang hack, but huge supporter and advocate!

  19. PS: @roder on twitter

  20. Eugene Kirpichov says:

    I’m jkff and if I posted anything on my twitter about FP, then it would be about Haskell,Coq or probably Erlang 🙂 As of now, I hadn’t yet (and as of now, all 6 of my tweets are in Russian), but the fact that I abandoned twitter was primarily motivated by lack of people to follow and, thus, lack of reason to do anything there. So include me 🙂

  21. I’m maybe not much of a Haskeller, but I’m a try-hard.

  22. Jake McArthur says:

    You misspelled my handle (geezusfreeek). Common mistake. 😉 Thanks for the list. I will be sure to follow basically everybody on it.

  23. Jake McArthur says:

    Oh, and you also misspelled my last name. Also a common mistake.

  24. Here are a few Erlang/FP folks that I follow.

    mickael / Mickaël Rémond
    dreid / David Reid
    B3d0u1n / Mark Zweifel
    JonGretar / Jon Gretar
    lenn0x / Chris Goffinet
    jacobvorreuter / Jacob Vorreuter
    yarivs / Yariv Sadan

  25. Thanks, all! I have embiggened the list again.

  26. Berlin Brown says:

    try me too. I talk about it.


  27. Chris Daniel says:

    “Joseph Olsten” should be “Joseph Holsten”

  28. Paul Snively says:

    Hey Bryan, could you please add me? My username is psnively, and I mostly yak about OCaml and Coq, but with some Scala from time to time.

  29. Chris Goffinet says:

    Yeah, as Nick mentioned, add me as well. I am doing lot’s of Erlang over at Yahoo!

  30. I’ve been bitten by the F# bug as of late and have helped start a book club for it as well (along with a mate of mine who came up with the idea, Chris Bilson). We’ve even had an author of one of the few F# books join our book club. 🙂

    Our twitter usernames are

    Justin Bozonier: darkxanthos


    Chris Bilson: cbilson

    Our book club is on google groups @

  31. Jake Donham says:

    jaked1, OCaml!

  32. Nicolas Pouillard says:

    I’m also a functional programmer on Twitter (npouillard), I’m programming in Haskell and OCaml.

  33. Tracy Harms says:

    A lot of my Twitter attention is on functional programming. I am Tracy Harms, ‘kaleidic’. My focus is on Iverson’s J programming language ( but I am interested in functional/function-level topics in a language independent way. I’m also putting a toe in the water of several other languages.

  34. I (black_meph) almost never Tweet about Haskell, but now and then, I do.

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