Is there a conference in Cuba that you would like to attend? Are you a full-time professional whose travel to Cuba would be directly related to attendance at this professional meeting and/or conference? Is the conference organized by an international professional organization, institution, or association that sponsors such meetings or conferences in other countries? If so, you may qualify for licensing process. You can check your qualifications in these guidelines.
However, organizations, institutions, or associations headquartered in the United States may not sponsor such a meeting or conference unless it has been specifically licensed.
The purpose of the meeting or conference cannot promote tourism in Cuba or other commercial activities involving Cuba, or foster production of any bio-technological products. You can find more information about those restrictions here.