Processing Times Involved in NIW

Question details

If I may verify the processing times involved in NIW. Since it falls under EB2 category, I am assuming it may be a long time before I can get my EAD card and be able to change employers. Also, I want to confirm if there could be issues if I change employers during the process - If so, I'd prefer to change my current employer before starting with it.

You can change employers any time if you are a self-applicant and will continue to work in your stated area of national interest.  But NIW priority date will take the same time as a normal EB-2 application does.  See: 

FAQ Transcript

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EB1 - Outstanding Researcher/Professor

We won this case for the applicant who had eleven years teaching and research experience. Recommendation letters indicated that the applicant had a superb knowledge of not only theory but also economic technique.  The applicant was highly regarded by students, peers and experts in the field.  He was frequently called upon to review for the top, world-renowned journals in economics.