Educational Testing Service
Dongdi Liu worked for ETS starting in January 2014 as a Statistical Data Analyst, where they assisted in implementing data analysis components for research projects and collaborated with supervisory staff. They then progressed to the role of Statistical Data Analyst-Senior in August 2015 and then Statistical Data Analyst-Lead in April 2018. Currently, Dongdi holds the position of Principal Statistical Data Analyst since May 2022. Prior to joining ETS, Dongdi worked as a High School Mathematics Teacher at NJUCA from November 2012 to January 2016, where they designed course syllabi and trained students for the National Math Olympiad Competition.
Dongdi Liu completed a Bachelor of Science degree in Mathematics at Fudan University from 2004 to 2008. Following that, from 2008 to 2010, Dongdi pursued a Master of Science degree in Statistics at Columbia University in the City of New York. Additionally, Dongdi obtained certifications as a SAS Certified Base Programmer for SAS 9 in 2012 and as a SAS Certified Advanced Programmer for SAS9 in 2014.
Educational Testing Service
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Driven by their mission to advance quality and equity in education, ETS provides learning solutions, pioneering research and trusted assessments that help guide learners around the world on their path to new possibilities. For more than 70 years, ETS has developed products and services based on rigorous research and their belief in the power of learning. Their portfolio consists of some of the world’s most trusted assessments - including the TOEFL® and TOEIC® exams, the GRE® and the Praxis® family of assessments - along with research, development and innovation that explores new frontiers in learning and measurement.