Jingyu Zhang

SINA Corp. engages in the provision of online and mobile media services. It operates through the following segments: SINA Portal, Weibo, and Others. The SINA Portal segment offers automobile, fast-moving consumer goods, Internet, financial, information technology, and telecommunication services. The Weibo segment focuses on the marketing and development of the social media platform, Weibo. The Others segment includes mobile value added services; and other services. The company was founded in March 1999 and is headquartered in Shanghai, China.

Alvaria, Inc. is an enterprise contact center solution provider that offers leading-edge customer experience and workforce engagement software, as well as cloud services technology solutions. The company is based in Westford, MA and has a global presence of subsidiaries in several regions. The company specializes in contact center and workforce engagement solutions for large call centers across various industries. The company was founded in 1973, and the CEO is Jeff Cotten. Alvaria was acquired by Vector Capital Management LP from Aspect Software Parent, Inc. on February 04, 2019.