J. Walter Thompson Jakarta or JWT Jakarta is a multinational advertising agency based on Jakarta and offers full-service since 1972. One of the most reputable advertising agency in Indonesia, JWT Jakarta has won Citrapariwara for three times in a row. Author was place on Client Service Department as Junior Account Executive in charge for handling client who uses our service to make ads, which is Sunsilk. Sunsilk as a heritage brand shampoo in Indonesia trusted JWT Jakarta to handle Sunsilk Clean and Fresh ads production. The purposes are to increase brand awareness and create brand recall to compete the competitor. We need the role of Account Executive for handling Sunsilk Clean and Fresh 2015 ads, so the production would succeed from the beginning until end. Author was assigned to help team Sunsilk Account Executive to handle client, did a market research, competitor review, competitor analysis and everything that could support Sunsilk Clean and Fresh ads production. Therefore, Author concludes that every advertising agency needs Account Executive to handle client and ads production. However, Author suggests that as an Account Executive, he has to capable to communicate with client and serve client well.