Ben Naismith Editor

Ben Naismith is a Staff Assessment Scientist at Duolingo where he works on research and development of the Duolingo English Test.

Alina A. von Davier is the Chief of Assessment at Duolingo. She has provided thought leadership to the Research and Development area for the Duolingo English Test for the past nine years.

Jill Burstein is a Principal Assessment Scientist at Duolingo, where she leads validity, efficacy, and responsible AI research for the Duolingo English Test.

Geoffrey T. LaFlair is a Principal Assessment Scientist at Duolingo where he leads Assessment Research and Development for the Duolingo English Test.