Thomas started using Blender in 2007, Blender 2.44 was the first version he downloaded. Two years later he joined the 2.5x project and worked on the User Interface (mostly UI layouts). Later he joined the Cycles renderer team and worked on features like shading, performance and OSL. He got a Google Summer of Code grant three times (2013, 2014 and 2016). Today he works full time as developer community coordinator for Blender.