Visa & Letters of Invitation

For information regarding travel to the United States and applying for a visa, please visit the website of the U.S. Department of State at

If a letter of invitation to the TESConf 2019 conference is needed as part of the visa application package, please email the following information to Prof. Robert Gao (

  1. Full name as it appears on the passport

  2. Professional/Academic title

  3. Full mailing address, including name of the institution or business.