Randal Kleiser is an American film director and producer, best known for his work in the 1970s and 1980s. He gained fame for directing the iconic musical film Grease, which was released in 1978 and became a cultural phenomenon. Kleiser's career also includes directing other films such as The Blue Lagoon and Summer Lovers. In addition to his work in feature films, Kleiser has directed various television projects and documentaries. He has a background in theater and has contributed to the development of new technologies in filmmaking, including virtual reality. His influence on the film industry continues to be recognized.