Houston's Cocktail Cowboy: Matthew Medina's Journey from Childhood Bartender to Beverage DirectorHouston’s “Cocktail Cowboy” Matthew Medina learned to make a margarita at just 8 years old when his mother wrangled him into the role of a bartender during her “girl's nights in” parties at their home in Cypress, Texas. This early exposure to the world of hospitality set the stage for a lifelong passion.