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.
We won this case based on the applicant's critical role in a key U.S. Air Force project. His level of expertise in this specialized field was highly sought after and necessary to achieve the military's objectives. We provided letters from experts in the Air Force stressing their need to keep the applicant on the project or else it would fail.
This applicant was a data recovery specialist under contract with the U.S. government providing critical skills to a high-level project. It was noted by referees that his knowledge and background were rare and greatly needed in the interest of our national defense. We provided documentation of his academic achievements as well as additional specialized training.
We won this case for an applicant with expertise in computer science utilizing his skills in the development of e-Government. His work was considered pioneering worldwide. We provided evidence that he was frequently called upon to present his work. He also served on numerous program committees.