On Drupal.org for 15 years 4 months

✓ Can opt projects into security advisory coverage

Drupal events: 
DrupalCon Munich 2012
DrupalCon Prague 2013

Credits on security advisories

Credits on issues

Projects maintained

My mentors: 

One person lists medienverbinder as a mentor

I contributed Drupal patches
I contributed Drupal modules
I contributed to Drupal issue queues
I contributed to Drupal.org
I reviewed Project applications
I help in the Drupal support forums