Closely follow the research topics like Information Visualization, Use of Context in Search. Having practised, well conversant with the design tools like Contextual Inquiry, User profiling. Part of team that did comprehensive study to come up with Interface design considerations for thick and thin client environments and consequently define Profile based UI Guidelines

Special areas

Information Visualisation
Zoomable interface for the hierarchical data Grokker  
Wide widgets : Hyperbolic browser Star-Tree  
Cartographic Interface Kartoo   Antarctica  
Dynamic Query-result space Iokio Smart-camera finder  
Panopticon : Market Map presented for different data sets Heatmaps  
Visualizing Networks Lumeta  
Analytic Application Environment Spotfire  
Wide widgets : Weighted Spring Plumb Design : Thinkmaps 
Microsoft’s Polyarchy Visualization Polyarchy  
More such rich UI Examples 

Text Entry  
Gaze based interface, driven by natural continuous pointing Dasher  
Graffiti   Tap-a-tap