Ioannis Zacharias Mitzelos

SmartTrust is a global leader in SIM and Mobile Device Management software designed to provide mobile network operators improved understanding of their subscribers and efficient management of the SIM cards and devices on their network. With its innovative technologies, mobile operators can implement new services quickly and efficiently, and gain knowledge about the needs of subscribers. Over 200 mobile network operators rely on them for SIM device and value added service management as well as dynamic roaming steering. Its customers range in size from new start-ups with fewer than 100,000 subscribers to well-established operators with more than 75 million subscribers. The technology touches more than 1.5 billion people every day and has been implemented by all major SIM vendors. SmartTrust's origins go back to 1974. They have been delivering solutions for SIM management since 1991 and device management since 2002, building on their success by pioneering Over-the-Air (OTA) technology for managing SIM cards, handsets and mobile value added services. By delivering the software tools to manage all of the equipment-SIM and device-in the hands of the subscriber, its systems enable service providers to realize the full potential of their businesses.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Veridos GmbH develops identification and identity solution for the international market. It offers complete solutions for the production and personalization of passport documents, driver's license, and healthcare cards. The company is headquartered in Berlin, German.

Part of Giesecke+Devrient GmbH, Giesecke+Devrient Currency Technology GmbH is a German company that provides digital security, financial platforms, and currency technology solutions. The company is based in Munich, Germany. The CEOs are Peter Josef Zattler, Ralf Wintergerst, Wolfram Seidemann. The company was founded in 2003.

Giesecke + Devrient Mobile Security GmbH provides security products and solutions for mobile applications, particularly in the fields of telecommunications and electronic payment transactions. It offers G+D currency technology, G+D mobile security, veridos, and secunet. The company is headquartered in Munich, Germany.