I looked into him as well, but it was really expensive so I opted out. Most of my improvement on the test has come from 7Sage. His tutoring is like 300 an hour or something. And his classes seem really pricy too.
... look at the [7sageapproved tutors list](https://7sage.com/discussion/#/discussion/4760 ... /7sages-approved-tutors/p1). Not ... with what you learn on 7sage.