www.esteman.com Esteban Mateus Williamson, better known as Esteman (born May 4, 1984) is a Colombian singer and songwriter. Esteman has been developing his interest in music since the age of 12, as he attended several music and theatre academies, acting classes and college education in Electronic Media Arts. At a prodigiously young age Esteman started writing songs and school plays involving musical theatre for his elementary school and ever since, writing and performing has become one of his favorites activities.