Shelley Levene is a fictional character from the play and film adaptation of Glengarry Glen Ross, written by David Mamet. He is portrayed as a desperate real estate salesman struggling to maintain his livelihood in a competitive market. Levene is characterized by his persuasive skills and emotional vulnerability, often resorting to manipulation to secure sales. In the story, Levene's character represents the pressures faced by salespeople in a high-stakes environment. His interactions with other characters, such as Ricky Roma and John Williamson, highlight themes of ambition, desperation, and moral ambiguity in the pursuit of success.