Regarding 1), there is no one visa that applies to all but information will be provided about this during the process. Regarding 2), an O-1 is often the visa o

Regarding 1), there is no one visa that applies to all but information will be provided about this during the process. Regarding 2), an O-1 is often the visa of choice for founders and most of those with PhDs (or near completion of their PhD) can make a good case for O-1. An E-2 also can be a good option. Regarding 3), please email me and I can give you the range that attorneys charge for O-1s.