National Interest Waiver

This type of visa will allow you to obtain the Green Card for you, your spouse and your unmarried children under 21 years old. 

If you are a person who is highly accomplished and of exceptional ability, and the United States could benefit from your expertise you may be able to qualify for a National Interest Waiver. Since the United States highly values these persons, the approval of this visa can be very fast. Normally, you would need to apply for what is known as a Labor Certification which could take years. If a National Interest Waiver is granted, you essentially bypass the entire Labor Certification process. to get your green card.

People who qualify for this type of visa are given special preference. Therefore, unlike many other types of visas that take years to obtain, this one is given special priority.