How to work in the U.S. as a O-3 Visa holder? You can try…

What are the differences between a O-1A and O-1B Visa?

The differences between these two Visas for example, a person with an extraordinary skill in the arts or outstanding achievement in the motion picture or television sector would be eligible for an O-1A visa while someone with an amazing ability in the sciences, education, business, or athletics would qualify for an O-1B visa.