Ann Mar's well-rounded background in world language education includes a bachelor’s degree in anthropology from the College of William and Mary and a master’s degree in Applied Linguistics from the Universidad Nacional Autónoma de México (UNAM).

Her teaching career began at the UNAM in Mexico where she was professor of applied linguistics, focusing on curriculum design, materials development, and teacher preparation. After moving to San Antonio, Texas, Mar taught ESL and Spanish at college level before transitioning to high school, where she taught introductory to advanced Spanish in traditional, immersion, and dual language programs. A recipient of Humanities Texas' James F. Veninga Outstanding Teaching of the Humanities award in Texas, Mar has served as a College Board endorsed consultant for AP®Spanish Language and Culture and in leadership roles at the AP®Reading. Mar is currently an independent consultant, providing professional development to organizations implementing a proficiency-based approach to world language instruction.

In addition to her accomplishments in the classroom, Mar served for many years as an officer in the San Antonio de Béjar Chapter of the American Association of Teachers of Spanish and Portuguese (AATSP).

Mar served as Series Lead for the second edition of EntreCulturas®1, 2 and 3, and was a valued member of Wayside Publishing's EntreCulturas 1 author team alongside Maritza Sloan, Robert L. Davis, and George Watson-Lopez. Prior to this collaboration, she coauthored the College Board's curriculum module El agua es vida, and other AP® Spanish language professional development publications.