Konstantinos is a seller for Building and Construction Materials with experience in marbles sales (2011), electrical equipment sales (2010), kitchen sales (2009), concrete sales (2008), and garage doors sales (2007). He is a native Greek speaker with B2 proficiency in English, and A1 proficiency in German, Spanish, and French. Konstantinos has special skills in customer relation management, export and global sales, social influence relations, public relation management, and socialization to commerce, as well as special knowledge in big data analysis, graphics design digital, web developing, digital marketing, and creation brand identity.