This case explores the ways in which Siebel Systems' strong culture, with its emphasis on customer satisfaction and professionalism, has been a source of competitive advantage for this leading provider of customer-focused eBusiness applications software. The problem facing the company's CEO, Tom Siebel, is how to maintain this unique culture as the company grows at a phenomenal pace. The case provides an overview of the customer relationship management (CRM) market, Siebel Systems' place in that market, and the distinctive actions the company has taken from its inception to create and sustain a culture that has played a fundamental role in making Siebel Systems one of the fastest growing companies in the world.