Janssen is a pharmaceutical company that is part of the larger Johnson & Johnson family. Founded in 1953 by Dr. Paul Janssen, the company focuses on developing innovative medicines in various therapeutic areas, including oncology, immunology, and neuroscience. The company is known for its commitment to research and development, aiming to address unmet medical needs. Janssen's products include prescription medications and vaccines, contributing to global health initiatives and improving patient outcomes worldwide.