Lourdes Ortega is a Spanish-American applied linguist whose work sits at the centre of how contemporary SLA presents itself to its own students. Trained at the University of Hawai'i at Mānoa, she has held posts at Northern Arizona University and Georgetown University, where she is Professor in the Department of Linguistics.
Ortega's writing has an unusual quality: it is synthetic without being lazy, critical without being contrarian, and readable without being thin. She has pushed the field toward bigger conversations — about bilingualism, equity, and what SLA is actually for — while keeping a tight hold on methodology. Her Understanding Second Language Acquisition is probably the most-assigned single-author SLA textbook of the last two decades.