- Aggregation physics theory
- ferro-relational quantum materials
- topological quantum materials

1995-1997 Bell Laboratories (Murray Hill, New Jersey, USA)Postdoctoral Member
1998-1999 The Pennsylvania State UniversityAssistant Professor
1999-2001 The Ohio State University Assistant Professor
2001-2006 University of Toronto Associate Professor (Tenured)
2001-2019 Canadian Institute for Advanced Research Fellow
2001-2011 Canada Research Chair Professor
2003-present Korea Institute for Advanced Study Professor (part time)
2006-present University of Toronto Full Professor
2012-present Director, Center for Quantum Materials, University of TorontoDirector
2022-present Royal Society of Canada (Canadian National Academy)Fellow

2017 Brockhouse Medal(Canadian Associtation of Physicists)
2018 Killiam Research Fellow (Killam Foundation, Canada Council for the Arts)
2022 Guggenheim Fellow (John Simon Guggenheim Memorial Foundation)