About Where When
Configuration Schema in Drupal 8 DrupalDay Spain 2017, Cáceres, Spain November 2017
Test Driven Development in Drupal 8 DrupalCamp Spain 2017, Madrid, Spain May 2017
Test Driven Development in Drupal 8 Meetup Drupal Noord, Groningen, Netherlands February 2017
Entity API in Drupal 7 DrupalCamp Spain 2013, Cáceres, Spain May 2013