Profiles

Bio

A fullstack developer, blogger, podcaster, OpenWeb advocate, citizen of the IndieWeb, working on ActivityPub and IndieWeb for WordPress!

Interests

IndieWeb, Fediverse, ActivityPub, Open Web, Microformats, Webstandards, biking, Home Automation, IoT

WordPress Origin Story

– In 2002 I installed my first blog using the WordPress predecessor b2.
– 2004 I switched to WordPress.
– I worked on my first theme in 2006 and my first plugin in 2007.
– I uploaded a first theme (SemPress) to WordPress.org in 2011.
– Two years later, SemPress was added to the WordPress.com theme directory by Automattic.
– 2015 was my first “Core Contribution” (OEmbed).
– I held my first WordCamp talk in 2016.
– I held my first WordPress Meetup talk in 2019.
– Started working on ActivityPub for WordPress in 2019
– 2023 I joined Automattic to work full time on the OpenWeb/Fediverse

https://notiz.blog/2018/06/19/15-jahre-wordpress/
https://notiz.blog/2023/06/02/20-jahre/

Badges

CODE
7 badges
Core Contributor '15 Hosting Contributor '20 Hosting Team '20 Meta Contributor '20 Plugin Developer Theme Developer WP-CLI Contributor '24
CONTENT
1 badge
Photo Contributor '22
COMMUNITY
3 badges
Meetup Organizer '24 WordCamp Organizer '24 WordCamp Speaker '16
PRACTICE
1 badge
Support Contributor '26
POLYGLOTS
2 badges
Translation Contributor '15 Translation Editor '15

Current Job

Open Web Lead
Apr 2023 – Present
Automattic
I work on open, portable, interoperable, small, social, synaptic, semantic, structured, distributed, (re-)decentralized, independent, microformatted and federated social web stuff.

Job History

Head of WordPress Development
Mar 2020 – Mar 2023
IONOS · 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.

Recent impact

Score weights high-impact work (commits, releases, approved translations, props) at 3x routine activity.

Last 30 days
19contributions
high0
medium19
score19
Last 90 days
98contributions
high0
medium98
score98
Last 12 months
314contributions
high5
medium309
score324

WordPress releases

Contributed to 5 releases
  • 6.9
  • 6.8
  • 5.6
  • 5.5
  • 4.4

Contributions

Type
June 2026
Jun 14 Sun · 06:26
Forums med
Posted a reply to Activitypub: Author URL “(…)?author=1” not accessible, on the site WordPress.org Forums:
@jeroenleenders this has nothing to do with the permalinks, it seems that you hoster blocks…
Jun 12 Fri · 14:17
Forums med
Posted a reply to not see follower request, on the site WordPress.org Forums:
Hey @camaran 👋 do you have any kind of security plugin installed, that might block…
Jun 09 Tue · 20:35
Forums med
Posted a reply to Critical WordPress error crashes sites, on the site WordPress.org Forums:
but you mention PHP 8.1.x in your initial report!? It is that PHP below 8.2…
Jun 09 Tue · 13:54
Forums med
Posted a reply to Push single post, on the site WordPress.org Forums:
I improved the connection handling in 1.1.1 and had no disconnect since then! Can you…
Jun 09 Tue · 13:36
Forums med
Posted a reply to Critical WordPress error crashes sites, on the site WordPress.org Forums:
Hey @earl_d 👋 this is because the plugin has PHP 8.2 as min requirement 🫣
Jun 05 Fri · 21:39
Forums med
Posted a reply to Follow activity reverts from ‘Unfollow’ to ‘Confirm Request’, on the site WordPress.org Forums:
Thanks for the logs, the issue should be fixed with: https://github.com/Automattic/wordpress-activitypub/pull/3372
Jun 05 Fri · 08:16
Forums med
Posted a reply to Follow activity reverts from ‘Unfollow’ to ‘Confirm Request’, on the site WordPress.org Forums:
@whatwhere can activate that snippet for your blog, start a follow process and share the…
Jun 04 Thu · 06:55
Forums med
Posted a reply to Push single post, on the site WordPress.org Forums:
(I will also check why your blog lost connection... This should not happen at a…
Jun 04 Thu · 06:54
Forums med
Posted a reply to Push single post, on the site WordPress.org Forums:
Hey @seindal 👋 Good point! Would you expect something in the wp-admin UI or is…
Jun 02 Tue · 10:07
Forums med
Posted a reply to Blocked user’s deleted posts cause reply loop in moderation queue, on the site WordPress.org Forums:
We released the fix with version 1.1.1. Let us know if you still experience any…

Developer

18 plugins

Contributor

8 plugins

Themes

2 themes

Completed courses

3 completed

Browse courses on Learn WordPress

Translations

3 locales
de_DE / formal Deutsch (German) Translation Contributor
en_NZ English (New Zealand) (English) Translation Contributor

Contributed translations to 1 project.

View all on translate.wordpress.org