Mark Steedman is a prominent linguist and computer scientist known for his work in the fields of natural language processing and computational linguistics. He has made significant contributions to understanding how language can be modeled and processed by computers, particularly through the development of grammar formalisms and semantic parsing techniques. Steedman is also recognized for his research on cognitive science and the relationship between language and thought. His work often explores how humans understand and produce language, bridging the gap between linguistic theory and practical applications in technology, such as artificial intelligence and machine learning.