Philip Kotler (PK) is the author of more than 100 books and articles specializing in marketing, is the leading expert of Kotler Marketing Group in the field of marketing strategy (customers regularly use the services of Philip Kotler as IBM, Apple, General Electric, AT & T, Honeywell, Bank in America, Merck). He is also professor of the prestigious universities such as Johnson & son or Kellogg Marketing Institute. In 2002, Kotler was voted as one of 50 experts "stunned" in the field of Marketing (The Top Business Guru) | From Products to Customers to the Human Spirit marketing PHILIP KOTLER HERMAWAN KARTAJAYA IWAN SETIAWAN marketing .