Martha Marks Martha Alford Marks received her Ph.D. from Northwestern University. Co-author of ¿Qué tal? and Destinos, a Spanish video course, she also served on the Advisory Board to Boston PBS station WGBH during the development of the Destinos program, whih was funded by the Annenberg Foundation. She is widely known as an ACTFL-certified oral proficiency tester and trainer in Spanish and ESL. Read More Read Less