For those traveling by air, you will want to fly into the San Diego airport (SAN).
Please check the website at the U.S. State Department to see if you will require a visa to enter the U.S.
Letter of invitation
If you require a letter of invitation for your visa application, please send your request to Ms. Cynthia Steiner at email@example.com. In your request, include your name, title of your presentation (if applicable), and address. A pdf of the letter will be emailed to you. If you require an original to be mailed, please indicate this in your request.