Jeroen van Baarsen started programming at the age of 14. His language of choice was PHP. He started his first programming job at the age of 16 and worked in several companies as a PHP developer before he found out about the wonderful language that Ruby is. He then started learning this language and took up a job as a Ruby developer. Currently, he works at Firmhouse, which is a company that helps build foundations for innovations and new business. Firmhouse has created the Ruby on Rails hosting platform at intercityup.com. In his spare time, he contributes to GitLab's open source core team as a member. He is responsible for the merge requests that are opened by the community.