Ayal Zylberman

TeleKnowledge Group Ltd. is a provider of billing software for providers of content, applications and all forms of communications services. The company's flagship product, Total-e, is designed to enable providers to rapidly create and deploy offerings, as well as manage revenue exchanges and complex interactions between content-based trading partners. Its clients generate revenue from virtually every form of service, including advanced IP-based services (eg VPN, Voice over IP, messaging) to homes, businesses and mobile devices, hosting services, content and multimedia, streaming media and videoconferencing applications, telecommunications and broadband connectivity services. It has regional offices in UK, France, Germany and Italy. The company is headquartered in Ra'anana, Israel.

Tefen USA Ltd. provides management consultancy services. It offers strategy, operations excellence, project management and organizational development services. The company was founded in 1982 and is headquartered in New York, NY.

Electronic Nation LLC designs and delivers contextualized software testing solutions. It provides mobile testing services, test process improvement, website testing, test automation, security testing services, unit testing, load testing services, testing consulting, wireless network testing services, and healthcare information technology testing. The company was founded by Ayal Zylberman and Eli Margolin in 1998 and is headquartered in Fairfield, CT.

Qualitest UK 4 Ltd. develops software solutions. It specializes in testing consultancy, network and application performance assessments, and test automation. The company was founded on April 23, 2001 and is headquartered in Middlesex, the United Kingdom.

TCL Group Ltd. is engaged in the provision of software testing consultancy services. The company was founded by Stewart Noakes in 2000 and is headquartered in Almondsbury, the United Kingdom.