Tom Otis is an American researcher, academic and author. He is the Chief Scientific Officer at the Sainsbury Wellcome Centre for Neural Circuits and Behaviour and holds a Professorship in Neuroscience at University College London. Otis' research has been focused on cellular and circuit function of the cerebellum and hippocampus, as well as preclinical models of spinocerebellar ataxia and amyotrophic lateral sclerosis.