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Super! Highly skilled in business field

Willian is very smart and fun, I really enjoyed talking to him and also learned a lot about project management. I will sure keep taking lessons with him. Thank you very much :)

Very interesting conversation.

I'm feel prepared to NYU - Thanks to Bill. I totally recommend for all kind of student who really want to get a real improveme on business English. All classes that I had with Bill was deep. We've dive on Finance world and had a lot debate on certain cases. He was the best teacher that I've ever had!! Thank you again!!!!!

Amazing, entertaining and fun lesson. I learned a lot, William is very interesting and smart guy. Reccommend to everyone to book a lesson with him!

It was amazing experience to have a lesson with you, thanks!