Theo Watson is a British artist and programmer. His art work includes interactive video, large-scale public projections, computer vision projects, and interactive sound recordings which have featured in museums and galleries across the world including Museum of Modern Art, New York Hall of Science, Tate Modern amongst others. Watson is a partner at Design I/O, a Cambridge-based interactive design firm known for cutting edge, immersive installations. He is also co-founder of the programming toolkit openFrameworks, co-creator of the EyeWriter and a virtual fellow at Free Art and Technology Lab.

openFrameworks is an open source toolkit designed for creative coding founded by Zachary Lieberman, Theo Watson and Arturo Castro. OpenFrameworks is written in C++ and built on top of OpenGL. It runs on Microsoft Windows, macOS, Linux, iOS, Android and Emscripten. It is maintained by its founders with contributions by other members of the openFrameworks community.