Member Directory
Jan Varljen is the founder and CTO of Productive, a web-based tool that helps digital agencies and other project-based businesses manage their work and see how profitable it is. Jan started out as a web developer at Infinum, a Croatian digital agency, where Productive began as an internal tool before it was spun out into its own company. A Ruby on Rails developer, he has a particular interest in a
Ivan Vuković is co-founder and CEO of Kopai, which he describes as an AI reliability layer, and a partner at Reactor Studio, a Zagreb studio for agile software development. Ivan comes from site reliability engineering, and at Reactor Studio his focus is helping teams build the right product fast. He now works closely with Claude and Claude Code, building Kopai on a stack that includes ElevenLabs,