# Matthias Pfefferle (@pfefferle.org)

Profile: https://sifa.id/p/pfefferle.org
Headline: Open Web Wrangler @Automattic
Location: Ettlingen, Baden-Württemberg, Germany

## About

I love prototyping with WordPress and I have a strong passion for the open web.

## Career

- **Open Web Lead at Automattic** (Apr 2023 - Present)
  Full-time · Remote
- **Host, Federated Flows at Open Channels Fm Podcast Network** (Dec 2024 - Present)
  Independent work
  Open Web Conversations brings you thoughtful interviews and stories from across the evolving open web. We cover the Fediverse, emerging tech, developer tools, and the movement toward digital openness. From founders to community builders, we highlight people and projects pushing boundaries in practical ways. The open web is a spectrum, and our mission is to share the voices, journeys, and ideas shaping its future.
- **Advisor at Social Web Foundation** (Sep 2024 - Present)
  Advisor
  The Social Web Foundation works to grow this new ecosystem in an open, healthy, and sustainable way—working with technologists and the public to build a new global town square that works for everyone.
- **Organizer at WordCamp Karlsruhe** (May 2024 - Oct 2024)
  Karlsruhe, Baden-Württemberg, DE
- **Head of WordPress Development at Ionos** (Mar 2020 - Mar 2023)
  Full-time
  Established a WordPress development team, conducted development and performance reviews, and actively supported the personal growth of team members. Led the technical development of various PHP and WordPress projects, served as the liaison between teams and departments, and contributed to the design of agile processes. Acted as a sponsored member of the WordPress Hosting Community and initiated and managed IONOS's involvement in WordPress.org's "Five for the Future" program.
- **Head of SME Integration & Development at Ionos** (May 2019 - Feb 2020)
  Full-time
- **Head of MyWebsite Core at Ionos** (Mar 2018 - Apr 2019)
  Full-time
- **Senior Software Developer at Ionos** (Dec 2015 - Feb 2018)
  Full-time
  Co-organized a self-managed team and took on responsibility for the "People & Culture" area.
- **Senior Web Developer at Abox42** (Apr 2014 - Nov 2015)
  Full-time
- **CTO - Spreadly at ekaabo GmbH** (Jul 2011 - Mar 2014)
  Full-time
  Technical lead for a five-person development team, serving as Scrum Master and facilitating daily Scrum meetings. Led the development of a social advertising network featuring detailed statistics for advertisers and site operators. Also developed various high-traffic, data-optimized widgets.
- **CTO - YiGG at ekaabo GmbH** (Dec 2012 - Feb 2014)
  Responsible for migrating the YiGG social news system to ekaabo GmbH's servers and automating the new deployment processes (CI/CD). Enhanced loading times through caching and SQL query optimization. Designed and implemented a redesign with a focus on standards like HTML5 and various web semantics.
- **CTO - yiid.com at ekaabo GmbH** (Sep 2008 - Jun 2011)
  Conceptualized a meta-community featuring a universal login system, cross-network address book, and central activity stream. Provided technical leadership to a team of four developers while actively contributing to backend development.
- **Webentwickler at ekaabo GmbH** (Sep 2007 - Aug 2008)

## Projects

- **neunetzcast (Open Web)** — https://neunetz.fm/Kopf/matthias-pfefferle/ (Feb 2019 - Present)
- **Technikwürze** — http://technikwuerze.de/ (Dec 2012 - Feb 2013)
  Technikwürze ist der führende Podcast für Webentwickler im deutschsprachigen Raum. Eine auditive Sendung bekannter Macher rund um Webstandards.
- **OpenWeb Podcast** — http://openwebpodcast.de (Oct 2008 - Dec 2012)
  The Open Web Podcast is a german podcast about open standards on the internet.
- **SemPress** — https://wordpress.org/themes/sempress/
  SemPress is an extremely lightweight, responsive WordPress theme designed to show off your posts, quotes, and images. SemPress supports multiple post formats, widgets, and the option to upload a custom header or background image. The theme is based on HTML5 mixed with microformats, microformats v2 and microdata (Schema.org).
- **12things** — http://12things.de
  12things is a project of Hannes Schippmann and Matthias Pfefferle. Our goal is to create software that doesn't make you think!!
- **OpenWeb Icons** — http://pfefferle.github.io/openwebicons/
  The OpenWeb Icons is a web-font that gives you scalable vector icons/logos of some open communities, standards or projects. It includes the Creative Commons-, HTML5- and Microformats-icons for example.

## Publications

- h-anniversary — notiz.blog (Feb 2024) https://notiz.blog/2024/02/26/h-anniversary/
- Meine Fediverse Trading Card — notiz.blog (Feb 2024) https://notiz.blog/2024/02/21/meine-fediverse-trading-card/
- sidebar — notiz.blog (Dec 2023) https://notiz.blog/2023/12/04/sidebar/
- 44.9666543118^2 — notiz.blog (Jan 2023) https://notiz.blog/2023/01/31/2022/
- The AT Protocol — notiz.blog (Nov 2022) https://notiz.blog/2022/11/14/the-at-protocol/
- notiz.b16g — notiz.blog (Dec 2021) https://notiz.blog/2021/12/07/notiz-b16g/
- #blocktober — notiz.blog (Oct 2020) https://notiz.blog/2020/10/05/blocktober/
- IndieFollow — notiz.blog (Jun 2020) https://notiz.blog/2020/06/16/indiefollow/
- „Treffen der Generationen“ — notiz.blog (Feb 2020) https://notiz.blog/2020/02/22/treffen-der-generationen/
- Awesome Fediverse — notiz.blog (Oct 2019) https://notiz.blog/2019/10/10/awesome-fediverse/
- State of the IndieWeb (2019) — notiz.blog (Jul 2019) https://notiz.blog/2019/07/07/state-of-the-indieweb-2019/
- A letter about Google AMP — notiz.blog (Feb 2018) https://notiz.blog/2018/02/02/a-letter-about-google-amp/
- Websemantics — SCREENGUIDE (Mar 2017) https://notiz.blog/2017/03/16/screenguide-34/
- Die Daten sind wir! — PC-Magazin (Jul 2015) http://abo.pc-magazin.de/zeitschriften/7/pc-magazin-dvd.html
- Rise of the IndieWeb — SCREENGUIDE (Mar 2015) https://notiz.blog/2015/04/02/indieweb-die-daten-sind-wir/
- Felix Schwenzel über IndieWeb und reclaim social media — notiz.blog (Jan 2014) https://notiz.blog/2014/01/20/felix-schwenzel-ueber-indieweb-und-reclaim-social-media/
- WordPress.com Connect — notiz.blog (Aug 2013) https://notiz.blog/2013/08/14/wordpress-com-connect/
- Second OpenID Connect Implementer’s Drafts Approved — notiz.blog (Aug 2013) https://notiz.blog/2013/08/01/second-openid-connect-implementers-drafts-approved/
- (#) — notiz.blog (May 2013) https://notiz.blog/2013/05/13/internet-logo/
- SemPress auf WordPress.com — notiz.blog (Apr 2013) https://notiz.blog/2013/04/18/sempress-auf-wordpress-com/
- Ohne Facebook kein Dezentrales-Web — notiz.blog (Dec 2012) https://notiz.blog/2012/12/18/ohne-facebook-kein-dezentrales-web/
- Schema.org – what I’ve learned so far — notiz.blog (Sep 2012) https://notiz.blog/2012/09/21/schema-org-what-ive-learned-so-far/
- SCREENGUIDE – Oh my god they killed OAuth — notiz.blog (Sep 2012) https://notiz.blog/2012/09/20/screenguide-oh-my-god-they-killed-oauth/
- Microformats: The next generation — notiz.blog (Jul 2012) https://notiz.blog/2012/07/03/microformats-the-next-generation/
- Twitter Cards — notiz.blog (Jun 2012) https://notiz.blog/2012/06/22/twitter-cards/
- Pfefferles OpenWeb: Web Intents — notiz.blog (Jun 2012) https://notiz.blog/2012/06/20/pfefferles-openweb-web-intents/
- Website-Login: Einer für alle — T3N (Feb 2012) http://t3n.de/magazin/website-login-alle-229654/
- The Long-Term Failure of OpenWeb — notiz.blog (Nov 2011) https://notiz.blog/2011/11/17/the-long-term-failure-of-openweb/
- OpenWebPodcast.TV — notiz.blog (Sep 2011) https://notiz.blog/2011/09/04/openwebpodcast-tv/
- Pfefferles OpenWeb: Microformats V2 — notiz.blog (Jun 2011) https://notiz.blog/2011/06/21/pfefferles-openweb-microformats-v2/
- FederatedPress — notiz.blog (Jan 2011) https://notiz.blog/2011/01/02/federatedpress/
- OpenWeb-Notizen: XAuth, OExchange, Firefox Sync, RDFa — notiz.blog (Jun 2010) https://notiz.blog/2010/06/02/openweb-notizen-xauth-oexchange-firefox-sync-rdfa/
- Login leicht gemacht — T3N (Mar 2010) http://t3n.de/magazin/single-sign-on-facebook-twitter-open-stack-login-leicht-224747/
- Amerikanische Regierung startet „Open Identity Pilotprogramm“ — notiz.blog (Sep 2009) https://notiz.blog/2009/09/09/amerikanische-regierung-startet-open-identity-pilotprogramm/
- Webstandards Kolumne — notiz.blog (Jul 2009) https://notiz.blog/2009/07/14/webstandards-kolumne/
- Facebook, SearchMonkey und Microformats — notiz.blog (Feb 2009) https://notiz.blog/2009/02/27/facebook-searchmonkey-und-microformats/
- Semantic Surfing — Webstandards Magazin (Feb 2009) http://notizblog.org/2009/03/27/webstandards-magazin-und-microformats/
- Open Web Podcast: Privacy, Password Anti Pattern, Delegated Authorization — notiz.blog (Jan 2009) https://notiz.blog/2009/01/21/open-web-podcast-privacy-password-anti-pattern-delegated-authorization/
- OpenID für Flock — notiz.blog (Dec 2008) https://notiz.blog/2008/12/02/openid-fuer-flock/
- OpenIDs sind wie Autos — notiz.blog (Nov 2008) https://notiz.blog/2008/11/18/openids-sind-wie-autos/
- Falscher Fokus? — notiz.blog (Oct 2008) https://notiz.blog/2008/10/29/falscher-fokus/
- Y!OS – Yahoo! Open Strategy — notiz.blog (Sep 2008) https://notiz.blog/2008/09/19/yos-yahoo-open-strategy/
- ARRRR! — notiz.blog (Sep 2008) https://notiz.blog/2008/09/19/arrrr/
- Ubiquity für WordPress (ein Plugin) — notiz.blog (Sep 2008) https://notiz.blog/2008/09/09/ubiquity-fuer-wordpress-ein-plugin/
- SearchMonkey Tutorials — notiz.blog (Aug 2008) https://notiz.blog/2008/08/15/searchmonkey-tutorials/
- Portable Contacts (schicker als ich dachte) — notiz.blog (Aug 2008) https://notiz.blog/2008/08/08/portable-contacts-schicker-als-ich-dachte/
- Identity In The Browser – an OpenID Firefox Extension — notiz.blog (Aug 2008) https://notiz.blog/2008/08/07/identity-in-the-browser-an-openid-firefox-extension/
- WordPress 2.7 mit OAuth support? — notiz.blog (Aug 2008) https://notiz.blog/2008/08/03/wordpress-27-mit-oauth-support/
- Get some nuts! — notiz.blog (Jul 2008) https://notiz.blog/2008/07/29/get-some-nuts/
- Email Address to URL Transformation — notiz.blog (Jul 2008) https://notiz.blog/2008/07/27/email-address-to-url-transformation/
- MarsEdit mit AtomPub unterstützung — notiz.blog (Jul 2008) https://notiz.blog/2008/07/23/marsedit-mit-atompub-unterstuetzung/
- TinyMCE Microformats Plugins — notiz.blog (Jul 2008) https://notiz.blog/2008/07/15/tinymce-microformats-plugins/
- GooR Code — notiz.blog (Jul 2008) https://notiz.blog/2008/07/10/goor-code/
- Sixgroups-Livecommunity WordPress-Plugin — notiz.blog (Jul 2008) https://notiz.blog/2008/07/07/sixgroups-livecommunity-wordpress-plugin/
- Apple-Adressbuch Kontakte als hCards speichern — notiz.blog (Jul 2008) https://notiz.blog/2008/07/03/apple-adressbuch-kontakte-als-hcards-speichern/
- hSpielplan — notiz.blog (Jun 2008) https://notiz.blog/2008/06/09/hspielplan/
- Microformats API in Firefox3-Erweiterungen nutzen — notiz.blog (Jun 2008) https://notiz.blog/2008/06/04/microformats-api-in-firefox3-erweiterungen-nutzen/
- Monkeyformats auf Safari — notiz.blog (May 2008) https://notiz.blog/2008/05/27/monkeyformats-auf-safari/
- This Week in Microformats — notiz.blog (May 2008) https://notiz.blog/2008/05/26/this-week-in-microformats/
- Panik… — notiz.blog (May 2008) https://notiz.blog/2008/05/25/panik/
- XBMC für Windows — notiz.blog (May 2008) https://notiz.blog/2008/05/23/xbmc-fuer-windows/
- Microformats Testsuites — notiz.blog (May 2008) https://notiz.blog/2008/05/07/microformats-testsuites/
- Monkeyformats Screencast — notiz.blog (Apr 2008) https://notiz.blog/2008/04/30/monkeyformats-screencast/
- Cognition 0.1-alpha7 — notiz.blog (Apr 2008) https://notiz.blog/2008/04/22/cognition-01-alpha7/
- hCard Mapper — notiz.blog (Mar 2008) https://notiz.blog/2008/03/28/hcard-mapper/
- Homo Animatus — notiz.blog (Mar 2008) https://notiz.blog/2008/03/12/homo-animatus/
- Openavatar — notiz.blog (Feb 2008) https://notiz.blog/2008/02/16/openavatar/
- Digg Joins the DataPortability Project — notiz.blog (Jan 2008) https://notiz.blog/2008/01/29/digg-joins-the-dataportability-project/
- Mr. T Quote: — notiz.blog (Jan 2008) https://notiz.blog/2008/01/25/mr-t-quote/
- Microsoft Joining DataPortability.org — notiz.blog (Jan 2008) https://notiz.blog/2008/01/23/microsoft-joining-dataportabilityorg/
- APML for WordPress updates — notiz.blog (Jan 2008) https://notiz.blog/2008/01/14/apml-for-wordpress-updates/
- General Lee vs. The Striped Tomato — notiz.blog (Nov 2007) https://notiz.blog/2007/11/26/general-lee-vs-the-striped-tomato/
- The Night Elf Mohawk [Update] — notiz.blog (Nov 2007) https://notiz.blog/2007/11/21/the-night-elf-mohawk/
- dataportability.org — notiz.blog (Nov 2007) https://notiz.blog/2007/11/19/dataportabilityorg/
- Microformats-Verarbeitung in Firefox 3 — notiz.blog (Oct 2007) https://notiz.blog/2007/10/26/microformats-verarbeitung-in-firefox-3/
- XBMC mit dem iPhone steuern — notiz.blog (Oct 2007) https://notiz.blog/2007/10/25/xbmc-mit-dem-iphone-steuern/
- Brabblr unterstützt jetzt auch Microformats — notiz.blog (Oct 2007) https://notiz.blog/2007/10/22/brabblr-unterstuetzt-jetzt-auch-microformats/
- Bud Spencer und Terence Hill Monster-Box — notiz.blog (Sep 2007) https://notiz.blog/2007/09/28/bud-spencer-terence-hill-monster-box/
- Ich bin Web 2.0 Master! — notiz.blog (Sep 2007) https://notiz.blog/2007/09/23/ich-bin-web-20-master/
- Spam, Spam, Spam… — notiz.blog (Sep 2007) https://notiz.blog/2007/09/07/spam-spam-spam/
- Brabblr Invites… — notiz.blog (Aug 2007) https://notiz.blog/2007/08/16/brabblr-invites/
- Get some nuts! Foo! — notiz.blog (Jul 2007) https://notiz.blog/2007/07/30/get-some-nuts-foo/
- Mr. T und Hulk Hogan im Tag-Team — notiz.blog (Jul 2007) https://notiz.blog/2007/07/18/mr-t-und-hulk-hogan-im-tag-team/
- Microformats Bookmarklet — notiz.blog (Jun 2007) https://notiz.blog/2007/06/23/microformats-bookmarklet/
- A-Team (Family Guy) — notiz.blog (Jun 2007) https://notiz.blog/2007/06/20/a-team-family-guy/
- geo:truc — notiz.blog (May 2007) https://notiz.blog/2007/05/31/geotruc/
- Zwitschern — notiz.blog (May 2007) https://notiz.blog/2007/05/01/zwitschern/
- Harald Schmidt bloggt — notiz.blog (Feb 2007) https://notiz.blog/2007/02/23/harald-schmidt-bloggt/
- Horst Schlämmer bloggt — notiz.blog (Jan 2007) https://notiz.blog/2007/01/24/horst-schlaemmer-bloggt/
- Die google.de Geschichte — notiz.blog (Jan 2007) https://notiz.blog/2007/01/24/die-googlede-geschichte/
- Integration von Web 2.0-Inhalten in Smart Products — Bachelor Thesis (2007)
- Kultautos — notiz.blog (Nov 2006) https://notiz.blog/2006/11/18/kultautos/
- Relaunch von SPIEGEL ONLINE — notiz.blog (Sep 2006) https://notiz.blog/2006/09/07/relaunch-von-spiegel-online/
- OpenWeb Kolumne — SCREENGUIDE Magazin https://notiz.blog/publications/

## Skills

### Other
- ActivityPub
- Agile Führung
- Agile Methoden
- Augenhöhe
- Backbone.js
- Cascading Style Sheets (CSS)
- Community Management
- CSS
- E-Commerce
- Embedded Systems
- Fediverse
- Frontend-Entwicklung
- Git
- HTML
- HTML 5
- HTML5
- IndieWeb
- JavaScript
- jQuery
- JSON
- Leadership
- Microdata
- Microformats
- Microservices
- Mobilanwendungen
- MongoDB
- MySQL
- OpenID
- OpenWeb
- People Management
- PHP
- Podcasting
- Product Owner
- REST-API
- Scrum
- Slim Framework
- Social Web
- Softwareentwicklung
- SQL
- Streaming Media
- Subversion
- Suchmaschinenoptimierung (SEO)
- SVN
- Teamführung
- Web 2.0
- Web Development
- Web-Entwicklung
- Webservices
- WordPress
- WordPress-Hosting

## Education

- **Hochschule Furtwangen University** — Bachelor of Science (B.Sc.) (2004 - 2007)
  Activities & Societies: ohne-i: http://goo.gl/n7Zx2H

## Languages

- Deutsch (native)
- Englisch (full professional)