You seem to be in pretty good shape. A unique double degree partnered with a European institute (did you actually spend time abroad?). Great GMAT, and a good industry and what seems like strong work experience. From what you have written about your volunteerwork, that seems a bit standard, although I would love to here about your extracurricular activities there.
Actually your biggest disadvantage is that you have not so much work experience. It's true that HBS does like young folks with little experience as well, but then they aim for gathering up the "double valedictorian" types, people have been A++ from birth. And although you have a strong profile, it's not that. Other schools like Chicago for example have explicitly stated a preference for candidates with 4-5 experience, so you may be at a strong disadvantage when you apply.
Unless you have a specific reason for applying right now, I would say, wait a year or two and gain some more work experience. You seem to be in a great industry and a very good job, and if you work hard and can move up to a leadership position, your profile will be MUCH stronger! You could apply this year, but then I would suggest moderating your school choice in function of your work experience.
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