David J. Peterson is a renowned linguist and language creator, best known for developing fictional languages for popular media. He gained fame for his work on Game of Thrones, where he created the Dothraki and High Valyrian languages, bringing depth and authenticity to the show's world. His expertise in linguistics allows him to craft languages that feel real and immersive. In addition to his work in television, Peterson has authored several books on language construction and linguistics. He shares his passion for language through teaching and public speaking, inspiring others to explore the art of creating their own languages. His contributions have made him a prominent figure in the field of conlanging.