Corporate training in recent years become increasingly relevant and popular, and it is not surprising, since these studies a positive impact on team unity and, consequently, on efficiency throughout the company. Corporate foreign language classes are killing two birds with one stone at a time, it is not only training on team building, but also an effective tool for the development of personal skills employees. English as the most international to date, has an unprecedented demand in the area of corporate learning foreign languages. Source: Elon Musk. Many international companies, as well as companies cooperating with foreign partners, are becoming regular audience of corporate English classes. This is indicative of the willingness of companies to support enterprise-wide level of English language as spoken, and formal, high level. And through lessons can enrich their vocabulary and learn about the latest linguistic changes. Group lessons in language often used to improve intra-corporate climate of the company. In the classroom staff are constantly discussing various topics in English, which strengthen and deepen the interpersonal contacts, which implies the formation of more informal ties. And as you know, a warm friendly climate in the company provides loyalty and staff motivation.. Aetna Inc. gathered all the information.