[NonEUCitizen]

You don't to be American to qualify for 30% rule. You have to be an expat who qualifies as a Knowledge Worker, and was recruited to Netherlands for that purpose (if you were already living in the Netherlands when you got the job, you don't qualify). You can avail of the 30% rule for 10 years.

http://www.expatica.com/nl/finance_business/tax/The-Dutch-30...