Martha Ramos Sosa is the editorial director of the Organización Editorial Mexicana (OEM), the largest Mexican print media company and the largest newspaper company in Latin America. The company owns a large newswire service, it includes 70 Mexican daily newspapers, 24 radio stations and 44 websites.

She serves as a member of the World Editors Forum advisory board.

Martha is former editor, web of Publimetro Mexico and a former editorial director of Diario 24 Horas.