Hongjian Wang

Hello! I am a pre-doctoral Research Associate at the Machine Learning Department, Carnegie Mellon University.

I am interested in sequential statistics, applied probability and foundations of machine learning. My prior works have focused exclusively on handling heavy-tailed, heterogeneous data in various settings including optimization, control, estimation and beyond.


  • 2023 – now: Research Associate at Carnegie Mellon University (Pittsburgh, PA, USA)
  • 2021 – 2022: MS in Machine Learning & Research Assistant at Carnegie Mellon University (Pittsburgh, PA, USA)
  • 2020: Research Intern at Vector Institute (Toronto, ON, Canada)
  • 2017 – 2021: BEng in Computer Science and Technology at Tsinghua University (Beijing, China)

Publications (see also my Semantic Scholar and Google Scholar pages)


A selected list of relevant courses I have taken can be found here.


hongjian.wang [at] aol.com; hjnwang [at] cmu.edu

I currently live in Shadyside, a neighborhood in Pittsburgh, PA.

ἀριθμὸν ἔξοχον σοφισμάτων

number, the chiefest artifice of all

Aeschylus, Prometheus Bound 459. (Also quoted by André Weil in the foreword to Basic Number Theory)