An increasing number of Japanese businesses are adopting English as their official language within specialized departments, marking a significant shift from the past when it was implemented company-wide. Fast Retailing Co., the operator of the Uniqlo clothing store chain, and e-commerce marketplace giant Rakuten Group Inc. made headlines a decade ago when they announced plans to designate English as their lingua franca. However, the second wave of this language transition has just recently begun, according to Masuyo Ando, chair of Progos Inc., a Tokyo-based company offering English education support programs for businesses. Phased Implementation At the Tokyo headquarters of cloud service provider Money Forward Inc., a digital technologist from  India , and his Japanese coworker, conversed in English. They were discussing a programming problem that had caused a malfunction in a prototype system. This  digital technologist , who hails from India and graduated from a local en...