Liu Ran, General Manager of Brand Public Relations and Communication Center at Hengxin Diamond Agency, is fully responsible for the four major business segments of the's brand public relations, media communication, entertainment marketing, and digital marketing. As one of the first batch of entertainment marketers in China, she has been focusing on the field of marketing for more than 10 years, creating a new model of integrated marketing with entertainment marketing, emotional marketing, and digital marketing as the core, and successfully shaping the I Do into the jewelry brand most loved by urban white-collar workers. She has climbed to the highest award platform of China's cultural and entertainment fashion industry for 8 consecutive years, won the China's Best Entertainment Marketing Award for 7 consecutive years, and her innovative integrated marketing cases have been included in the Harvard Business School Case Collection.