The STARLab acronym “Socio-technical Action Research Lab” points to a specific type of lab which is designed to create socio-technical action research. This paper outlines the distinctive features of the socio-technical action research lab. First, it outlines the ideas that provide a foundation for STARLab, along with the essential concepts of tacit knowledge and design thinking. Next, it provides a brief background of the origin of the design lab methodology. Last is a description of how the lab works – planning, environment, and process.