BoldVoice, the AI-powered voice coaching platform for non-native English speakers, announced its $21 million Series A round led by Matrix, with participation from Flybridge, Xfund, Corazon Capital, Alumni Ventures, Umami Capital and Y Combinator. To date, BoldVoice has surpassed five million downloads, serves professionals in more than 150 countries and recently crossed $10 million in ARR. The funding will accelerate global expansion and the development of new AI-powered coaching capabilities and proprietary speech models