Mario Bertieri is CEO and CCO of Los Goodfellas. An agency that, since its creation 10 years ago, is working to make brands have a purpose and add value to the lives of people and the world. He started working as a designer at Y&R and soon after he changed his profession to copywriter. He was a creative director at McCann and was CCO of Sancho BBDO. After 10 years, he moved to Proximity, where he fulfilled the dual role of CEO and CCO. 4 years later, he decided to go after his dream and established Los Goodfellas, the first B Corp agency in Colombia and the Most Effective Independent Agency in Colombia according to Effie 2018, 2019, 2020 and 2022.