Leo Burnett was an influential American advertising executive, best known for founding the Leo Burnett Company in 1935. He revolutionized the advertising industry with his focus on creating memorable brand characters, such as the Jolly Green Giant and Tony the Tiger. His approach emphasized emotional connections and storytelling in advertising. Burnett's work earned him numerous accolades, and he is often credited with shaping modern advertising practices. His legacy continues through the agency, which remains a major player in the global advertising landscape, serving clients across various industries and maintaining a commitment to creativity and innovation.