Elisabetta Castiglioni

Euskaltel SA engages in rendering, management, installation, operation and marketing and sale of telecommunications networks and services. It operates through the following segments: Mass market, Business, and Wholesale. The Mass market segment provides fixed-line and mobile telecommunication services, as well as other added-value services which it renders through its fibre optic network and the virtual mobile operator agreement. The Business segment gives fixed and mobile telecommunication services to Small and Home Offices, Small and Medium Enterprises, and Large Accounts. The Wholesale segment provides services that include line access, and voice and data services to other operators in the telecommunications sector. The company was founded on July 3, 1995 and is headquartered in Derio, Spain.

Siemens Management Consulting is a management consulting firm. It offers services in the area of catering, reception, conference, meeting rooms, post and logistics, cleaning and safety services. The company is headquartered in Munich, Germany.

Part of America Movil SAB de CV, A1 Telekom Austria AG is a telecommunications company based in Vienna, Austria. The Austrian company offers a range of services including mobile phones, accessories, tablets, internet tariffs, prepaid cards, and internet speed tests. A1 Telekom Austria also provides various offers and promotions for new and existing customers. Customers can pay for their devices via the bill with partial payment and can test their internet speed with just one click. The CEO of the private company since 2012 is Marcus Grausam.

A1 Digital GmbH is a German company that specializes in helping businesses establish a strong online presence. The private company is based in Vienna, Germany. The company's services include creating a remarkable online presence for businesses. Elisabetta Castiglioni has been the CEO of the company since 2017.