Ian is an elected member of the Society for Research Synthesis Methodology. His research focuses on the use of outcomes in comparative effectiveness research (clinical trials, systematic reviews, and other studies), methods and technology for research synthesis, and methods for research prioritization. Clinical area-wise, Ian's work has addressed ophthalmology (especially ocular surface disease), women's health, HIV/AIDS, and other areas.

Ian also has experience teaching evidence synthesis- and epidemiology-related courses and workshops at graduate and udergraduate levels.