Your chances are okay, but hopefully you can bring out some leadership experiences (on the job or outside of work) and community involvement.
Also, think about how your overall career "story" ties together... Accounting at a startup, then equity sales, and later running a fund... That's not a stretch, but be clear about your interests and why your past experiences naturaly lead to this path.
Having said that, I think you could get into at least one of those schools if you can do what I mention above. Have you considered going part-time to USC or UCLA? That could help you stay in L.A. as well as boost your chances of getting admitted.
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