Seibo Shen made a lot of money in tech — he was an early employee at four startups that were acquired or went public. But for his latest venture, he didn’t just want to “add another zero to my bank account.”

He wanted to rekindle that startup thrill while selling a product he truly cared about.

So the 38-year-old San Franciscan raised $500,000 to get into the cannabis business. Now, instead of working accounts for months to sell software to businesses, Shen is hawking $650 marijuana vaporizers for his new company, VapeXhale.

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