Ingrid Piller FAHA (born in Germany in 1967)[1][2] is an Australian linguist, who specializes in intercultural communication, language learning, multilingualism, and bilingual education.

[5] Piller serves as Editor-in-Chief of the academic journal Multilingua[6] and as founding editor of the research dissemination site Language on the Move.

[9] In 2007, Piller was appointed executive director of the Adult Migrant English Program Research Center at Macquarie University.

[10] She is a member of the executive group of the international research network "Social participation across generations in linguistically diverse societies – risks and chances in times of crises".

[11] Piller works in Applied Linguistics and Sociolinguistics with a focus on Intercultural Communication, Language Learning, Multilingualism, and Bilingual Education.