To qualify for NIW, you would need to prove that your work or field of
expertise will benefit the interest of US nation as a whole. INS is looking
for realistic evidence of “substantial prospective benefit” to a national
interest item or agenda which specifically sets you apart from others in the
field. Examples of some of the more common factors that tip the scales
favorably:
A sustained record of high achievement—especially of a “national interest”
caliber.
Reference letters from recognized go