Alex worked for a bunch of big companies doing enteprisey Java stuff for a while until the iPhone came out. Then he did some iPhone stuff for some other big companies until he could do it on his own.
Dan worked at a small startup for a few years before going out on his own. After a few companies, he settled into A-Star Software. When he feels like it, he likes to let forth a monstrous roarrrrrrrr.
Raj started Mac programming when he was in high school and created Taco HTML Edit. He quit his full-time job to work on Taco Software a few years after he was out of school.