Not just an investor, I've been an entrepreneur & raised angel/VC money many times for my own companies, building some of those into big successes. Having had both huge wins and some impressive failures, I now find the greatest rewards in helping founders & CEOs take their company to new successes.
Breakthrough, non-intuitive, billion-dollar POTENTIAL models, particularly in consumer e-commerce, mobile, local, and services. Great teams determined to change an industry. Passion, emotion, dedication, and an absolute minimum of "safe" thinking.