SAN FRANCISCO, March 7, 2013 /PRNewswire/ -- Sojern, the world's leading data-driven traveler engagement platform, today announced that after more than double year-over-year growth in revenue and 500+ global customers, the company is expanding its global footprint. (Logo: http://photos.prnewswire.com/prnh/20130307/LA71846LOGO) Today, travel-related transactions account for 1/3rd of all ecommerce revenue (ComScore 2012), and most of the leading travel brands are leveraging Sojern's technology to increase marketing acquisition performance on these transactions, including American Airlines, American Express, Avis|Budget Group, Choice, Delta, Enterprise, Hertz, Hilton, Hyatt, IHG, Las Vegas, Marriott, Starwood, United, and US Airways. "Since 2007, Sojern has been building the world's leading data-driven traveler engagement platform, helping brands more efficiently and meaningfully engage travelers to drive conversions and loyalty," said Mark Rabe, CEO at Sojern. "Our expansion both in the US and abroad will address the increasing demand from multinational travel brands for data-driven marketing, monetization and insight solutions at scale." As the first company to have successfully cracked big data in the travel sector, Sojern has access to over 100 million anonymous traveler profiles and billions of traveler intent data points. Sojern combines this unique intelligence with innovative technology to truly deliver the right messages to the right travelers at the right times, through multiple channels including display, video, email, and social media (e.g. Facebook Exchange). In 2013, the company will aggressively increase global staff, expand its data science team, and invest heavily in its industry-leading technology platform, including the development of key products in machine learning technology, enhanced programmatic buying (real-time bidding) and data insights. The company has already established global operations, with the launch of its EMEA headquarters in London, and appointment of Stephen Taylor as VP & MD, International. Stephen is a pioneer of data-driven travel marketing, having been one of the first employees at Air Miles (acquired by British Airways). Most recently, he served as the CEO of Qype (recently acquired by Yelp) and prior to that he lead Yahoo!'s European consumer business.