IT Strategic Management
Software Engineering
Software Engineering Process
Software quality (product)
Object-oriented Software Design
Software Architecture
Agile Methodologies
Statistics
Decision Support Systems, BI, and (M/R/H)OLAP Tools
Artificial Intelligence
Intelligent Agents/Systems
Prolog
Knowledge Management
Computer Games (mainly RTS, MMORPGs, aRPGs, and FPS)
Economy
Financial investments
Dialectics and epistemology
Physics (astrophysics and particle physics)
Medical research