11 successful tech execs who left Silicon Valley to disrupt the marijuana industry

Jaime Saldarriaga/Reuters

Entrepreneurs are seeing green when it comes to the legal marijuana industry.

Pot sales could hit $20 billion by 2020, with help from the chief executives, founders, and product gurus abandoning the technology sector for the fast-paced and ever-changing business of selling bud. More entrepreneurs are making the leap than ever.

We rounded up the 11 Silicon Valley players-turned-"ganjapreneurs" worth watching.