David Mamet is an acclaimed American playwright and filmmaker known for his distinctive style and sharp dialogue. His films often explore themes of power, manipulation, and the complexities of human relationships. Notable works include Glengarry Glen Ross, which delves into the cutthroat world of real estate sales, and American Buffalo, focusing on a group of small-time crooks. Mamet's storytelling is characterized by a unique use of language, often featuring rapid-fire exchanges and a focus on subtext. His films, such as The Spanish Prisoner and Heist, frequently involve intricate plots and moral ambiguity, challenging viewers to engage with the characters' motivations and ethical dilemmas.