Sullivan (left) was previously director of customer development at Critical Mix’s New York office.

Wang (right) worked at Sermo as regional manager of Greater China and Korea.

DataSpring has recently moved its Shanghai office to the Central Business District in the city.

John Crum, senior vice-president, talent and brand management said: “As we grow, recruiting and retaining top talent is a key priority for us. With Mark and Irene on-board, we will look for them to make an immediate impact as they leverage their industry knowledge and contact network.”