To the next obvious question "Who are you talking about?", I'm going to demur, because most people making money in OSS, like most making money selling SaaS (or anything else, for that matter), don't really see much value in getting that fact blabbed on the Internets. Information travels at the speed of (your liquid refreshment of choice).
Interesting logo design with the Kangaroo. Is that a pun play of the phonetics of os.. vs Oz.. (slang for Australia) ?