Duncan Coutts is a notable figure in the field of computer science, particularly known for his contributions to the Haskell programming language. He has worked on various projects that enhance the functionality and usability of Haskell, making it more accessible to developers. His expertise includes areas such as functional programming and software development. In addition to his work on Haskell, Coutts has been involved in the development of tools and libraries that support the Haskell ecosystem. He has contributed to the Cabal build system, which is essential for managing Haskell software packages. His efforts have significantly impacted the Haskell community and its growth.