Yes, the very same guy. He is not a role model in any way but the guy knows how to sell and how to explain how to sell in plain words.
His book really helped me improve my sales skills. Other books like Jeffrey Gitomers red sales book are too wishy washy. Even classics written by Zig Ziglar pale in comparison to Belfort's book.
Can you sell? If not, dont quit just yet. Go learn sales first.
How?
Start by reading the sales book Jordan Belfort wrote.
Then practice.