Isabel Vázquez Gil is a native of Spain and holds a master's degree in Classics by the University of Barcelona and Postgraduate studies on Secondary Education and Teaching Spanish as a Second Language by Barcelona University, El Instituto Cervantes, and George Washington University. She has been teaching Spanish as a second language at the secondary and university level in international educational settings in Europe (Scotland and Spain), the U.S. (California, Maryland, and Washington, D.C.), and Canada (Alberta).

She has taught and developed Programs of Studies for Spanish language Immersion Programs, Heritage Language Learners, and AP® and IB both at the Standard and Higher Level. She is also the co-writer of Standards for World Languages at District of Columbia Public Schools, and an I.B., A.P. & D.E.L.E. examiner for Spanish and Spanish Literature. She is a teacher mentor and has conducted several training sessions for World Language Teachers in both Canada and the USA.

She has received numerous awards for her work as an educator, a WL curriculum developer and her involvement with study trips abroad for students. She is currently working at Jackson-Reed High School in Washington, D.C. after having spent five years teaching in an IB Diploma Program in Canada.

Gil is part of the author team for EntreCulturas 3, along with Deborah Espitia, Pamela Garcia, and Jennifer Cornell.