O-1 Extraordinary Ability/Outstanding Visa:

Visas for employment in the USA are available to people with extraordinary ability in the sciences, arts, education, business, athletics or who have a demonstrated record of extraordinary achievement in the motion picture of television industry. 

The Outstanding Visa is a type of employment visa that applies to aliens who have an extraordinary ability in the sciences, arts, education, business, or athletics, which has been demonstrated by sustained national or international acclaim and who are coming temporarily to the U.S. to continue work in the area of extraordinary ability. 

Applicants must document and prove their extraordinary ability by providing evidence national or international acclaim in the field.  They can only enter the U.S. to work in their specific field, and United States Citizenship and Immigration Services must find that their admission substantially benefits the United States. 

P-1A Internationally Recognized Athlete:

The P-1 classification applies to people who are coming to the U.S. temporarily to perform at a specific athletic competition as an athlete, individually or as part of a group or team, at an internationally recognized level of performance. 

People eligible for a P-1A Visa must be coming to the United States to participate in an individual event, competition or performance in which they are internationally recognized with a high level of achievement; evidenced by a degree of skill and recognition substantially above that ordinarily encountered so that the achievement is renowned, leading or well known in more than one country.

P-1B - A Member of an Internationally Recognized Entertainment Group:

The P-1B visa classification applies to people who are coming to the United States temporarily to perform as a member of an entertainment group that has been recognized internationally as outstanding in the discipline for a sustained and substantial period of time. 

The entertainment group must be internationally recognized, having a high level of achievement in a field evidenced by a degree of skill and recognition substantially above that ordinarily encountered. The reputation of the group, not the individual achievements of its members or the acclaim of a particular production, is essential.  Individual entertainers not performing as part of a group are not eligible for this visa classification.

P-2 Individual Performer or Part of a Group Entering to Perform Under a Reciprocal Exchange Program:

The P-2 classification applies to you if you are coming temporarily to perform as an artist or entertainer, individually or as part of a group, who will perform under a reciprocal exchange program between an organization in the United States and an organization in another country.  You must be an artist entering the United States through a government recognized reciprocal exchange program. In addition, you must possess skills comparable to those of the United States artists and entertainers taking part in the program outside the United States.

P-3 Artist or Entertainer Coming to Be Part of a Culturally Unique Program:

The P-3 classification applies to those who come to the United States temporarily to perform, teach or coach as artists or entertainers, individually or as part of a group, under a program that is culturally unique.  For a P-3 visa, you must be coming to the United States either individually or as a group for the purpose of developing, interpreting, representing, coaching, or teaching a unique or traditional ethnic, folk, cultural, musical, theatrical, or artistic performance or presentation.  In addition, you must be coming to the United States to participate in a cultural event or events which will further the understanding or development of your art form.  The program may be of a commercial or noncommercial nature.