Dr. Charlotte Gail Guntermann, before beginning her long academic career, served in the Peace Corps in Costa Rica, an experience that deepened her commitment to cross-cultural communication and inspired her lifelong focus on language education.

Dr. Guntermann devoted her career to advancing the teaching of languages and cultures. She served for decades in ASU's College of Liberal Arts and Sciences, where she taught courses in Spanish, foreign language pedagogy, and teacher education.

She was also a Fulbright Scholar, contributing to international collaboration in language education and teacher development, and served as grant evaluator for the National Endowment for the Humanities. Her work influenced a generation of educators across the United States and abroad.

She was widely known in the field for her scholarship on proficiency based instruction and intercultural communication, authoring and editing numerous works that shaped modern approaches to second language teaching. Among her best known titles is Developing Tomorrow's Foreign Language Teachers: Theory and Practice (American Council on the Teaching of Foreign Languages, 1993). Her earlier edited volume Languages for a Multicultural World in Transition (National Textbook Company, 1989) reflected her long-standing commitment to connecting language, culture, and pedagogy. In one of her 1990 papers, "Communication, Culture, and the Curriculum", she wrote: "Intercultural competence grows not from travel or textbooks alone, but from the steady effort to understand and be understood." That perspective captured the guiding principle of her personal and professional life: education as the deliberate and empathetic work of building understanding across linguistic and cultural boundaries.

Colleagues in the American Council on the Teaching of Foreign Languages (ACTFL) and the broader academic community recognized Dr. Guntermann as a leader in communicative language teaching and teacher preparation. Her influence continues in the programs and textbooks she helped design, and in the countless educators who studied under her direction at ASU.

She is survived by loving family members, devoted friends, and former students who carry forward her teachings, and a lasting legacy within the field of language education.

A celebration of life was held on February 4, 2026.