Commander William Riker is a fictional character from the television series Star Trek: The Next Generation. He serves as the first officer aboard the starship USS Enterprise-D and is known for his strong leadership skills and tactical expertise. Riker is portrayed by actor Jonathan Frakes and is characterized by his confident demeanor and willingness to take risks. Riker has a close relationship with Captain Jean-Luc Picard, often acting as his trusted advisor. He is also known for his romantic interests, particularly with Deanna Troi, the ship's counselor. Throughout the series, Riker faces various challenges and moral dilemmas, showcasing his growth as a leader and individual.