Bill Day, CEO Of WhenU.com

Photograph by Ken Schles

1

Internet Pioneer
"The value of working at Prodigy was to learn what didn't work. The people who worked there left with a wealth of knowledge about online consumer marketing."

2

Nonpracticing Engineer
Day holds a mechanical engineering degree from Yale. "A background in engineering sets up a critical thinking process that helps you throughout your career."

3

Runner Sans IPod
Day runs a 6-1/2-minute mile through the rolling hills of the Palisades in New Jersey. "When I run, I like to think and look around at the architecture. Instead of concentrating on pain, I look at homes and take mental notes."

4

Architect Wannabe
McMansions popping up in upscale neighborhoods waste space and energy, and Day sees a backlash coming. "I've done drawings on how to create living spaces that get the most out of space as opposed to grand, empty homes that feel cold."

5

Adware Furor
Day doesn't shy away from being associated with the taboo term. "I don't run from it. I think it's misinterpreted sometimes, but the reality is that the best way to deal with it is head on, as opposed to wishing it would go away."