Work Experiences

2019 - Present:

Principle Research Scientist

Center for Responsible AI in Learning and Assessment at ETS

Responsibility: 

1. Lead and conduct research projects and activities on assessment Innovations with AI, and secure and execute grant work through cross-organizational collaboration.  (refer to "Research & Projects" for details).

2. Act as a consultant on practical issues in operational programs at ETS.

3. Work on operational programs (such as AP, NAEP) as a psychometrician, when requested, and enjoy the teamwork.

2013 - 2019: 

Senior Research Scientist/Senior Psychometrician

Statistics and Psychometrics Theory and Practice Group at ETS.

Responsibility:

1. Develop and apply psychometric and statistic methods and data science for product research and development. Consulted by other organizations as well.

2. Lead research initiatives to address challenging issues across testing programs at ETS in the evolving testing enviroment, and help implement research-backed procedures in operational practice (including AP, GRE, NAEP, PISA, TOEFL, TOEIC).

2007 - 2013: 

Associate to Senior Psychometrician

The SAT and PSAT testing programs at ETS.

Responsibility:

1. Work as a psychometrician on SAT and PSAT programs,  lead program operation and research, coordinate within teams and aross different departments and clients. 

2. Support other testing programs at ETS when needed.

Teaching experiences

I have teaching experiences in different places and times.

• Psychometrics (2019)

Graduate School of Education, Rutgers University 

Responsibility:

Teach an Item Response Theory (IRT) course with R labs. I created the teaching materials from scratch, including lecture slides, lab codes, homework assignments, data resources, and up-to-date reading materials.

• Statistics (2002 - 2006)

Statistics Department, Michigan State University 

Responsibility:

Teaching undergraduate statistics courses, instructing lab classes, holding office hours, and grading homework. I was also a teaching assistant in graduate classes.

• Mathematics (before 2002)

Before coming to the USA, I taught various college-level mathematics courses in China.

Professional Services

Journal & Book Review: 

Editorial Board of Journal of Educational Measurement (2021- Present) 

Translation Committee, Chinese/English Journal of Educational Measurement and Evaluation (2020- Present). 

Associate Editor (2021- 2022). International Encyclopedia of Education (4th Edition). Associate Editor (2021). 

Ad hoc reviewers for various educational measurement and learning journals. 

Professional Association Service:

Award committee member (2026- 2029). Jason Millman Award. National Council on Measurement in Education (NCME) 

Program co-chair (2022-2023), Division D (Measurement & Research Methodologies), American Educational Research Association (AERA), a national research society founded in 1916. [Lead and Organize meetings for, and coordinate among, section chairs to prepare programs for Division D.] 

Section Chair (Statistical Methods; 2020- 2023), Division D, AERA. [Assign reviewers, review reports, organize sessions, etc.] 

Grant Review: 

NSF review panelist, 2024, 2025. National Science Foundation (NSF). 

IES review panelist, 2024. Institute of Educational Statistics (IES), Department of Education.