Matt Tyler finished his PhD at Yale in 2020, and worked with the YGDP throughout his time here. His research is mainly in syntax, and he is interested in formal approaches to syntactic variation. This includes variation across dialects of US English, and variation within individual speakers. Constructions he has worked on recently are "have yet to", as in "John has yet to visit his grandmother", and "do got", as in "do you got any money?"