Appu Shaji is the head of research and development at EyeEm, where he leads a team working to index the world's photographs. Appu co-founded sight.io, where he and his team developed technology to rate images based on computational aesthetics. Sight.io was acquired by EyeEm in 2014. Prior to that, Appu was a post-doctoral researcher in the Image and Visual Representation Group and Computer Vision Lab at Ecole Polytechnique Federale de Lausanne, Switzerland. He received a Ph.D. in computer science and engineering from IIT Bombay.