“This is my life,” says cannnabis industry CEO Adam Berk. And it is true: Berk is in fact passionate about his job. He has always been. Last year, the vertically-integrated cannabis company he headed, Stem Holdings, acquired Driven Deliveries, the world’s first publicly-owned cannabis delivery company. The resulting corporation, Driven by Stem, boasts a market cap of more than $60 million, with sales projected to hit $75 million in 2021. “My thesis is that people…