Jill Burstein is Principal Assessment Scientist at Duolingo, leading validity and efficacy research for the Duolingo English Test - Duolingo’s English language proficiency test. Her career has been motivated by social impact, working on AI-driven, education technology to enhance equity and access for learners and test takers. Her research lies at the intersection of artificial intelligence and natural language processing, educational measurement, equity in education, learning analytics, and linguistics. Dr. Burstein pioneered the first automated writing evaluation system used in large-scale, high-stakes assessment, as well as early commercial online writing instruction tools. She holds numerous patents for this work, and has published extensively in the field of AI in education, including topics in automated writing evaluation, digital assessment, responsible AI, and writing analytics. Her recent work focusses on responsible AI for digital assessment, and wrote the Duolingo English Test Responsible AI Standards, the first standards for an assessment program. Additionally, she is a co-founder of SIG EDU, an ACL Special Interest Group on Building Educational Applications. Dr. Burstein holds a Ph.D. in Linguistics from the Graduate Center, City University of New York.