Paul Adriaan Jan, Baron Janssen was a Belgian physician. He was the founder of Janssen Pharmaceutica, a pharmaceutical company with over 20,000 employees which is now a subsidiary of Johnson & Johnson.

Johnson & Johnson (J&J) is an American multinational, pharmaceutical, and medical technologies corporation headquartered in New Brunswick, New Jersey, and publicly traded on the New York Stock Exchange. Its common stock is a component of the Dow Jones Industrial Average, and the company is ranked No. 40 on the 2023 Fortune 500 list of the largest United States corporations. In 2023, the company was ranked 40th in the Forbes Global 2000. Johnson & Johnson has a global workforce of approximately 130,000 employees who are led by the company's current chairman and chief executive officer, Joaquin Duato.