Stefan Welker is a Software engineer on Daydream Labs, working on VR protoypes. Prior to Daydream, he invented the OpenDive printable open source virtual reality device and worked on the Durovis Dive SDK, the first smartphone based VR device on the market. Before that he got a degree in computer science in Dortmund, Germany. He also achieved the title of Robocup Mid-Size world champion twice, and worked as an application engineer to help robots see at Vitronic – the machine vision people.