Ross Gerber, co-founder, president and CEO of Gerber Kawasaki Wealth and Investment Management, sees "massive" investing opportunity in the cannabis space.

Supporting Cannabis:Tuesday at theBenzinga Cannabis Capital Conferencein Chicago, Gerber gave passionate support for cannabis and provided his outlook for the industry.

Gerber is one of the few advocates for cannabis in the institutional investing world and likely one of the only investment advisors that recommends cannabis to clients.

AdvisorShares Gerber Kawasaki ETF(NYSE:GK) is the only exchange-traded fund in the world that gives investors exposure to both cannabis companies andBitcoin (CRYPTO: BTC...