Stephen Chen

Proofpoint, Inc. engages in provision of security-as-a-service that enables large and mid-sized organizations worldwide to defend, protect, archive and govern their most sensitive data. The firm's security and compliance platform comprises of an integrated suite of threat protection, information protection, and brand protection solutions. Its solutions also includes email protection, advanced threat protection, email authentication, data loss prevention, SaaS application protection, response orchestration and automation, digital risk, web browser isolation, email encryption, archiving, eDiscovery, supervision, secure communication, phishing simulation and security awareness computer-based training. The company was founded by Eric Hahn in May 2002 and is headquartered in Sunnyvale, CA.

VMware, Inc. engages in the provision of cloud infrastructure and business mobility. Its products include Software-Defined Data Center, Hybrid Cloud Computing, and End-User Computing. It supports modernizing data centers, integrating public clouds, empowering digital workspaces and transforming security. The company was founded by Diane Greene, Mendel Rosenblum, Scott Devine, Edward Wang and Edouard Bugnion in 1998 and is headquartered in Palo Alto, CA.

Yahoo!, Inc. is a guide to digital information discovery, focused on informing, connecting, and entertaining users through its search, communications, and digital content products. It operates through the following geographical segments: Americas; Europe, Middle East, and Africa (EMEA); and Asia Pacific. The company was founded by Jerry Chih-Yuan Yang and David Filo in January 1994 and is headquartered in Sunnyvale, CA.