Meet the Researchers - Duolingo English Test
Our Research Team
Our team of world-renowned experts is committed to advancing the field of high stakes testing through research and development.
Alina von Davier
Chief of Assessment
Geoff LaFlair
Principal Assessment Scientist
Kevin Yancey
Director of AI Research
Yigal Attali
Principal Assessment Scientist
Jill Burstein
Principal Assessment Scientist
J.R. Lockwood
Principal Psychometrician
Nitin Madnani
Staff AI Research Scientist
Neha Jain
Head of Technical Program Management
Steven Nydick
Lead Psychometrician
Will Belzak
Staff Psychometrician
Manqian (Mancy) Liao
Staff Psychometrician
Andrew Runge
Staff AI Research Engineer
James Sharpnack
Staff AI Research Scientist
Ramsey Cardwell
Assessment Specialist
Sarah Goodwin
Senior Assessment Scientist
Kai-ling Lo
Senior AI Research Engineer
Phoebe Mulcaire
Senior AI Research Engineer
Ben Naismith
Staff Assessment Scientist, Linguist
Yena Park
Senior Assessment Scientist
Danwei Cai
Senior AI Research Engineer
Alexander Tsigler
AI Research Engineer
Ping-Lin Chuang
Language Assessment Scientist
Allison Michalowski
Data Analyst
Marco Chen
Psychometrician
Anthony Verardi
Senior Research Program Manager
Sophie Wodzak
Senior Communications Manager
Jacqueline Church
Staff Assessment Developer
Masha Kostromitina
Assessment Specialist
Yukti Sharma
Technical Program Manager
Xiaowan Zhang
Senior Language Assessment Scientist
Paul Jewsbury
Principal Psychometrician
Burr Settles
Research Director Emeritus