Ciaran and Colum Butler have maintained a low profile despite their involvement in some of Ireland’s most recognisable business ventures. The brothers are behind a portfolio that includes prominent brands such as Starbucks, TGI Fridays, Mao, and the Hard Rock Café. Ciaran Butler currently serves as a director of approximately 134 Irish companies, while Colum Butler holds directorships in more than 170. Although the exact number of their overseas involvements is unclear, Ciaran has estimated that they are directors of around 40 additional companies based outside of Ireland. Despite decades of selling goods and services to millions of Dubliners—through ventures…