see this answer : http://www.italki.com/answers/question/64931.htm

See the teacher guide

hi, if you want to be a language teacher in italki.com, you should apply for theacher first, the link : http://www.italki.com/teachers and if you have other questions about how to be a teacher and how to provide courses,you should see the page :http://help.italki.com/Help/TeacherGuide if you want to discuss how to be a popular teacher in italki.com , the group may help you :http://www.italki.com/groups/1542 Good luck, wish you all things goes well

Market Place- language teacher- click apply to be a teacher at the right column. then fill in some charts, then you will be a teacher of your native tongue.