This document outlines the evolution of service design from 1995 to present day. It begins with early projects and exhibitions in 1995 and the first formal definition of service design in 2003 focusing on the customer perspective. Methods and tools were developed throughout the 2000s. In the 2010s, demand grew for in-house service design teams within organizations and for measuring the impact of service design projects. The document envisions continued growth in specialized sector knowledge, differentiated capabilities within service design, and the establishment of in-house innovation labs.