Summary: The Chase Sapphire Reserve credit card was one of the hottest product launches in 2016 enthusiastically received by millennial consumers, a group that had previously eluded JPMorgan Chase and its competitors. Harvard Business School professor Shelle Santana discusses how protagonists Pam Codispoti and Eileen Serra shifted their focus to retaining customers attracted by the one-time signup bonus of 100,000 reward points and on acquiring new customers now that the bonus had been reduced.
