Vishal Gupta

Silent Circle LLC provides enterprise-scale secure mobile communications solutions. Its product family comprises: Silent Phone, a secure calling and messaging application; Blackphone, a hardened, secure handset; Silent World, a secure way to communicate globally outside of the Silent Phone network; and Silent Manager, a web-based administrative console for managing users. The company was founded by Michael Janke, Phil Zimmermann and Jonathan Callas and is headquartered in Fairfax, VA.

Lexmark International, Inc. engages in the provision of imaging solutions and technologies. It includes managed print, cloud, hardware warranty and repair, and professional services. The firm also offers cloud, security, print, capture, and software partners solutions to industries such as banking, government, healthcare, insurance, education, manufacturing, and retail. The company was founded in 1991 and is headquartered in Lexington, KY.