The provided text is a comprehensive biographical entry detailing the multifaceted career of Jared Leto, an American artist recognized for his work in both cinema and music. It explores his rise to fame through early acting roles in the 1990s and his eventual Academy Award-winning performance in Dallas Buyers Club. Simultaneously, the sources chronicle his leadership of the successful rock band Thirty Seconds to Mars, which he founded with his brother. Beyond his creative output, the text covers his business ventures, philanthropic efforts, and his reputation for extreme method acting techniques. The documentation also includes a summary of his filmography and discography, alongside mentions of his personal life and recent legal or social controversies.