Skip to content
I work here.
I work here.



@github @primer @tablab @SuperFriendly



👋 Hey there. I manage the Code to Cloud Product Design team here at GitHub. We're responsible for making tools that allow developers to build, test, run, publish, deploy, and scale their work. If you're a GitHub user, you may have seen our efforts in GitHub Actions, GitHub Packages, and GitHub Pages.

In my time at GitHub, I have worked on almost every part of the product. I have managed teams or led design efforts on many core features like pull requests, code review, security, ecosystem / api, marketing / top-of-funnel, and new user experience.

⁉️ Ask me anything 🗣 Give me feedback on GitHub (Actions, Packages, or Pages)

Updates from my blog

Nice surprise for a Thursday evening… Cowboy Bebop Soundtrack now on Spotify.

via Kotaku

I love me some internet nostalgia and 98.css does not disappoint.

98.css is a CSS library for building interfaces that look like Windows 98.

A pretty damn faithful recreation of the UI that sent me online curiously building my first web pages, Winamp skins, Visual Basic programs, and pirated copies of PhotoShop.

A Confession by Jeff Pope - Watched on 5/22/2020 at 13:58:46

Just Mercy by Destin Daniel Cretton - Watched on 5/15/2020 at 17:19:23

The Painter and the Thief by Benjamin Ree - Watched on 4/23/2020 at 17:16:38

Find me here


  1. Source code for

    JavaScript 5 1

  2. A modern, high customizable, responsive Jekyll theme for documention with built-in search.

    CSS 1.9k 1.1k

  3. 💎 🔎 A gem version of @bhardin's SEO Jekyll tool

    Ruby 75 11

  4. My dotfiles

    Vim script 2 1

  5. 1
    Just setting up my twttr

1,201 contributions in the last year

Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Mon Wed Fri

Contribution activity

August 2020

pmarsceill has no activity yet for this period.

July 2020

32 contributions in private repositories Jun 27 – Jul 27

Seeing something unexpected? Take a look at the GitHub profile guide.

You can’t perform that action at this time.