Rosen is a Bachelor of English and is in the process of acquiring a Master's degree in Translation and Business Communication from Plovdiv University 'Paisii Hilendarski'. With more than ten years of professional experience, seven of which as one of the leading teachers in the biggest suggestopedia center in Sofia, Rosen has also been trained in methods of accurate and respectful communication. Last but not least, his artistic temperament enables him to engage in the performing arts and to be the creative force behind several music projects awarded by Bulgarian National Radio.