Addi (add1sun) has been involved with Drupal since 2006. She spent many years with Lullabot as a developer, consultant, and trainer prior to becoming Lullabot's Director of Education and the Product Manager for Drupalize.Me. In 2015, when Drupalize.Me split into its own sister company, she took over as CEO. She has been working with technical documentation and training since 2000, and was the Drupal community Documentation Team Lead from 2008 to 2010. She is one of the co-authors for the first two editions of the O'Reilly book Using Drupal, published in 2008 and 2012. In March 2009 she was awarded a Knight Foundation grant to improve Drupal documentation.
In addition to her focus on coordinating documentation efforts she's provided Drupal core patches, maintained several contributed modules, and has been involved with the Drupal Dojo and the Google Highly Open Participation (GHOP) mentoring programs. In 2010 Addison was recognized as one of the Most Influential Women in Tech by Fast Company Magazine.