2019 - present: Chief Psychometrician & Director of Research at the Center of Educational Technology (CET), Tel Aviv, Israel 

2017 - 2019:  Adaptive Learning & Assessment specialist at ACTNext by ACT inc. Iowa City, Iowa

2015- 2019: Adjunct Instructor at Fordham University, NY, NY

2011-2015:  Research Associate at Educational Testing Service (ETS), Princeton, NJ

2011-2015: PhD candidate at Fordham University, NY, NY

2009-2010: Psychometrician at the Center of Educational Technology (CET), Tel Aviv, Israel 

1990-2000: Researcher at The National Institute for Testing and Evaluation (NITE), Jerusalem, Israel