Good GMAT & GPA, but short work history?

Hi All,

I just completed my GMAT (and I was quite shocked to see my results, gave me lots of confidence to apply for Fall'14 intake). I understand that my GPA/GMAT score is quite competitive for my dream school, but what I'm worried about is the short length of my work exp & lack of EC/leadership experience (and maybe young age). Comments would be greatly appreciated.

So here goes my profile:

Undergrad: UCLA, BS Chemical Engineering, 3.73
GMAT: 770 (Q:50/V:46) AWA and IR pending
Work History:
...

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