You may be eligible for an employment-based, first-preference visa if you have an extraordinary ability, are an outstanding professor or researcher, or are a multinational executive or manager. Each occupational category has certain requirements that must be met.
Extraordinary Ability EB-1(1)
You must be able to demonstrate extraordinary ability in the sciences, arts, education, business, or athletics through sustained national or international acclaim. Your achievements must be recognized in your field through extensive documentation. No offer of employment is required.
Outstanding professors and researchers EB-1(2)
You must demonstrate international recognition for your outstanding achievements in a particular academic field. You must have at least 3 years experience in teaching or research in that academic area. You must be entering the United States in order to pursue tenure or tenure track teaching or comparable research position at a university or other institution of higher education.
Multinational manager or executive EB-1(3)
You must have been employed outside the United States in the 3 years preceding the petition for at least 1 year by a firm or corporation and you must be seeking to enter the United States to continue service to that firm or organization. Your employment must have been outside the United States in a managerial or executive capacity and with the same employer, an affiliate, or a subsidiary of the employer.