Research Interests

  • Physical activity and accelerometry
  • Network analysis
  • HIV-related cognitive impairment
  • Brain imaging
  • Clustered and longitudinal data analysis
  • Mixed model methodology
  • Structured high-dimensional data
  • Statistical regularization methods
  • Functional data analysis

His interests span a number of medical areas including NeuroHIV, physical activity, Sexually Transmitted Infections, and concussions as well as statistical areas including semiparametric regression, functional data analysis and structured high-dimensional data. In his applied research, he uses data arising in structural and functional brain imaging, accelerometry and intensively collected longitudinal studies. He has published over 50 peer-reviewed articles in the statistical, medical and epidemiological journals as well as 3 invited chapters.

Epidemiology, Statistics
PhD, Harvard University, Biostatistics, 2005
MS, University of British Columbia, Statistics, 1998
BS, Simon Fraser University, Mathematics, 1996
traumatic brain injury biostatistics wearable computers

ASA fellow, American Statistical Association, 2020-

American Statistical Association