Editorial Service
– Foreign Language Annals, Managing Editor (2015-present)
– Studies in Second Language Acquisition, Senior Associate Editor (2018-); Associate Editor (2015-2018)
– Language Teaching, Editorial Board (2014-present)
Learning and Individual Differences, Editorial Board (2017-present)
– Co-Director, IRIS: Instruments for Research into Second Language Learning and Teaching ( (2016-present)
– Editorial Advisory Board, Cambridge Elements in Second Language Acquisition (book series), Cambridge University Press

Ad hoc manuscript reviewer
– AILA Review
– Annual Review of Applied Linguistics
– Applied Linguistics
– Applied Psycholinguistics
– Argentinian Journal of Applied Linguistics
– Australian Journal of Linguistics
– Bilingualism: Language and Cognition
– CALICO Journal
– Canadian Journal of Applied Linguistics
– Canadian Modern Language Review
– Computers & Education
– English for Specific Purposes
– Evaluation and Program Planning
– Foreign Language Annals
– Hispania
– International Journal of Applied Linguistics
– International Journal of Corpus Linguistics
International Journal of Energy Research
– International Journal of Quantitative Research in Education
– International Perspectives in Psychology: Research, Practice, Consultation
– International Review of Applied Linguistics
– Journal of Bilingual Education and Bilingualism
– Journal of Business Research
– Journal of Experimental Education
– Journal of Pragmatics
– Journal of Second Language Pronunciation
– Journal of Second Language Studies 
– Language and Sociocultural Theory 
– Language Learning
– Language Learning & Technology
– Language Teaching
– Language Teaching Research
– Language Testing 
– Learning and Individual Differences
– London Review of Education
– MSU Working Papers in SLS
– Psychological Bulletin
– Psychological Methods
– Reading in a Foreign Language
– Revista Española de Lingüística Aplicada / Spanish Journal of Applied Linguistics
– Second Language Research 
– Studies in Second Language Acquisition
– Study Abroad Research in Second Language Acquisition and International Education
– System 
– TESOL Quarterly
– Tropos

Book proposal/manuscript reviewer
– Bloomsbury
– Cascadilla
– Cambridge University Press
– John Benjamins
– Multilingual Matters
– Palgrave
– Pearson
– Psychology Press
– Routledge
– Wiley Blackwell

Conference abstract reviewer
– American Association for Applied Linguistics (AAAL)
– Second Language Research Forum (SLRF)
– Research Methodology in the Field of Second Language Acquisition and Learning (2018)
– Council on Undergraduate Research, Posters on the Hill
– Tropos

Grant reviewer/panelist
– Fonds National de la Reserche Luxembourg, CORE Multi-annual Thematic Research Program (Luxembourg)
Language Learning Small Grants Program (USA)
– Language Learning Early Career Research Grants Program (USA)
– National Science Foundation (USA)
– National Center for Science and Technology Evaluation (Kazakhstan)
– The Nuffield Foundation (UK)
– The Research Foundation–Flanders (Fonds Wetenschappelijk Onderzoek – Vlaanderen, FWO) (Belgium)
– US Department of Education, Title VI Language Resource Center Competition (USA)
– Research Development Fund, Xi’an-Jiaotong-Liverpool University (China / UK)
– TIRF (The International Research Foundation for English Language Education) Doctoral Dissertation Grants (USA)

Professional Memberships and Committees (past & present)
– Member, AAAL Mentoring Diversity Committee (ad hoc) (2018-)
– Member, AAAL Task Force on Guidelines for Research Methods, Reporting, and Reviewing: Planning Committee (2014-2015)
– AAAL Graduate Student Travel Awards Committee: Member (2017-2018); Chair (2018-2019)
– Convener, AILA Research Network on Research Synthesis and Meta-analysis (2012-2014) (Co-conveners: John Norris and Lourdes Ortega)
– American Association for Applied Linguistics (AAAL)
– British Association for Applied Linguistics (BAAL)
– Council on Undergraduate Research (CUR)

Conference Organization / Committees
– Organizing Committee, Western Conference on Linguistics (WECOL; 2013)
– Co-Organizer, Arizona Linguistics Symposium (2012)
– Conference co-chair, Second Language Research Forum (SLRF; 2009)
– Scientific Committee, Research Methodology in the Field of Second Language Acquisition (2018)