Ross Gerber loves Tesla. Unlike many in the precious–metals industry, the president and CEO of Gerber Kawasaki Wealth and Investment Management believes there is no bubble in tech companies.

He argues that behavioral adaptation to global warming will drive oil demand down in the long term and make eco-friendly innovations profitable.

Where he does see a bubble is in fiat currency, and deems gold and bitcoin solid monetary alternatives.

Our weekly Discovery Group interview features Jim Paterson, CEO of ValOre Metals.