请教绿卡问题: Question?

请教: 获得美国博士学位,下列情况申请绿卡一般需要几年？
1. 去公司工作；2. 在美国大学当Faculty; 3. 在美国大学作博士后。
听说在在美国大学当 Faculty 可以申请第一类优先, 哪些类型大学的Faculty 申请绿卡可以申请第一类优先？ College 怎么样？
诚心请教，谢谢！


VSC is fastest on and NSC is the slowest one
>>1. 去公司工作；
If go LC by PERM and no retrogress problem, 2.5 years.

>>2. 在美国大学当Faculty;
If go LC, 2.5 years

>>3. 在美国大学作博士后。
If NIW, 1.5 years. If OR, 2.5 years

>>听说在在美国大学当 Faculty 可以申请第一类优先,
No, Even in company you can go EB1.

>>哪些类型大学的Faculty 申请绿卡可以申请第一类优先？
Any university. USA does not have discrimination
Harvard is not easier than a small state Univ. EB1 only sees what you are doing

>>College 怎么样？
The same as Univ


Question?????

Thanks for your answers in details.

Could you please tell me what TSC, VSC, NSC, LC, NIW are?