Roberta Williams is an American video game designer and co-founder of Sierra On-Line, a pioneering company in the adventure game genre. She is best known for creating the King's Quest series, which revolutionized computer gaming in the 1980s with its use of graphics and storytelling. Williams has received numerous awards for her contributions to the gaming industry, including induction into the Academy of Interactive Arts & Sciences Hall of Fame. Her work has inspired many game developers and continues to influence the design of narrative-driven games today.