Wes McKinneyVerified account

@wesmckinn

CEO . co-creator / PMC. Created pandas, . PMC. Wrote Python for Data Analysis.

Nashville, TN
wesmckinney.com
Joined February 2010
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  1. Pinned Tweet
    10 Dec 2020

    I'm excited to announce that we've formed Ursa Computing , to continue the Ursa Labs mission for Apache Arrow-powered data science tools and to build new products to make enterprise data work faster and more efficient. Read more:

    23 replies 75 retweets 482 likes
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  2. Jun 12

    5 years later, it seems to be really catching up with everyone

    Forget Big Data, let's start talking about Big Metadata
    4 replies 29 retweets 319 likes
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  3. Retweeted
    Jun 11

    Applications are still open for our apprenticeship program on -- feel free to message me if you have any questions about it. Come join our developer community!

    Exciting news: we are opening applications for _another_ 1-year paid apprenticeship for folks from groups traditionally underrepresented in tech! Apply by June 18. Details:
    15 retweets 11 likes
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  4. Retweeted
    Jun 6

    I interviewed , the creator of pandas, and author of Python for Data Analysis. This interview is about the road to ease data access easier and making research results more reproducible, and much more.

    17 retweets 48 likes
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  5. Retweeted
    Jun 2

    RStudio Server Pro is now RStudio Workbench, providing a single home for enterprise data science teams using R & Python to scale and collaborate on their work. Learn more at

    Announcing R-Studio Workbench
    2 replies 58 retweets 233 likes
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  6. May 27

    New paper from UCSC and Leiden University on building a -native Storage System

    1 reply 6 retweets 32 likes
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  7. May 24

    I'm doing a "Meet the Expert" session on the O'Reilly learning platform on July 27, hope to see you there!

    4 retweets 25 likes
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  8. Retweeted
    May 20

    Exciting news: we are opening applications for _another_ 1-year paid apprenticeship for folks from groups traditionally underrepresented in tech! Apply by June 18. Details:

    31 retweets 36 likes
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  9. Retweeted
    May 18

    This is … amazing … Turn a directory of same-schema CSVs into a single parquet file w/ {arrow} datasets. It's ⚡️ fast! arrow::open_dataset( sources = "directory-full-of-csvs", format = "csv" ) %>% arrow::write_dataset( path = "all-to-one-file.parquet" )

    3 replies 33 retweets 247 likes
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  10. Retweeted
    May 17

    Friends, it's official now - I've accepted a position at and will be spending a year over there. I'll be joining some of the smartest, kindest folks working on data, vis, and open-source tools. I'm so excited, and can't get over how star-struck I feel to be joining them!

    39 replies 16 retweets 782 likes
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  11. Retweeted
    May 17

    I'm presenting on at the conf in July, and I want to share your 💘🤯 success stories. If {arrow} has helped you solve a big(ger) data problem and you want to be featured in the talk, let me know! Reply here or email me at

    3 replies 21 retweets 50 likes
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  12. Retweeted
    May 16

    Great improvements in DataFusion. Our choice to build IOx in around Arrow and DataFusion looks better every week!

    I wrote a bit about increasing the amount of parallelism in DataFusion:
    3 retweets 25 likes
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  13. May 13

    When "git blame" says it's you

    3 replies 20 retweets 123 likes
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  14. Retweeted
    May 13

    Wrote a blog post about my first month at Ursa Computing working on Apache Arrow:

    2 replies 15 retweets 63 likes
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  15. May 8

    So far my favorate thing about my M1 mac is running the iOS app on it (which for some reason works much better than the official Mac desktop app). So much less time hunting for 2FA codes each day

    1 reply 1 retweet 18 likes
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  16. May 6

    Conbench is an open source project (MIT license)

    2 retweets 23 likes
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  17. May 6

    The team has been hard at work on multi-language general purpose Continuous Benchmarking (CB), and we're excited to launch the Conbench open source project, which we'll be using to level up our dev work

    3 replies 25 retweets 122 likes
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  18. Retweeted
    May 5

    🎉🎉 {arrow} for 4.0.0 is on CRAN. Lots of good stuff in this release. Full details are at ; here are some highlights:

    3 replies 21 retweets 78 likes
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  19. Retweeted
    May 5

    We've just made our 4.0.0 release covering 711 issues from 114 different contributors over 3 months. Read more about what's happening in the project:

    33 retweets 99 likes
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  20. Retweeted
    May 4

    We are evolving the development workflow for our vibrant Rust subcommunity in , read more about what's happening

    10 retweets 38 likes
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  21. Apr 28

    OK , je suis 🐼❤️💻

    1 reply 1 retweet 13 likes
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