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:
Note: This is a verbatim transcript of the referenced audio/video media delivered as oral communication, and, therefore, may not conform to written grammatical or syntactical form.
Introduction:
VIBE is a web-based adjudication tool used by USCIS to validate basic information about companies petitioning to employ alien workers. VIBE uses commercially available data from an independent information provider (IIP) to validate basic information about companies petitioning to employ certain alien workers. Dun and Bradstreet (D&B) is the current IIP for this program.