Hey there,
Thanks for your post - let's see what we've got here!
What I LikeSolid GMAT, great school, pretty good GPA (not sure why you're so concerned about this point), blue chip company, and you're involved. You have the basic stats to make it past the first set of filters at all the schools you've listed.
What I Don't LoveYour involvement, while good, isn't great. But, more so than that, your goals strike me as cursory. Why product management? Software development to product manager is a bit of a stretch. Not an unrealistic one but something you'll have to explain it. More concerning is your desire to start your own venture. You have no start up experience and, if I had to guess, probably not a solid business plan / idea either. Be careful you aren't just throwing around "entrepreneurship" for the sake of it sounding sexy. That can be dangerous.
All in all, I think the schools you've listed are a good balance of aligned and safety. You're stretching yourself but not unrealistically so. And you're not going too safe either. Anderson, Ross, Tepper, and McCombs are all great schools for product management so your focus should be on getting into at least one of those. McCombs or Ross would be ideal.
I hope that helps - let me know if you have any other questions or if you need a hand with your applications!
Bhavik