Gary Vaynerchuk reveals the biggest mistake he made for 20 years
Gary Vaynerchuk, who has a $1 million book deal with Harper Collins, also says he credits "the market" as his ultimate mentor.
Tomas Kauer 
Gary Vaynerchuk, who has a $1 million book deal with Harper Collins, also says he credits "the market" as his ultimate mentor. Read More
