Guillaume Viejo, Ph.D.
Data Scientist, CCN, Flatiron Institute![](https://simonsfoundation.imgix.net/wp-content/uploads/2023/05/12143727/Viejo_Guillaume-scaled.jpg?auto=format&w=120&h=120&fit=crop&crop=faces&q=90)
Guillaume Viejo joined the Center for Computational Neuroscience as a data scientist, where he focuses on developing software for analyzing neurophysiological data. He holds a Ph.D. in computational neuroscience from the Institute of Intelligent Systems and Robotics at the Pierre and Marie Curie University in Paris, France. After completing his doctorate, Guillaume worked as a postdoctoral fellow at the Montreal Neurological Institute, where he studied the head-direction system (also known as the brain’s compass) in rodents.