He’s one of the greatest investors you’ve never heard of.

Russell Clark isn’t a household name. But in investment circles, he’s known as one of the best “short sellers” in the world.

In a very rare camera appearance, Russell sat down with Real Vision TV’s Raoul Pal to share his approach to the investment markets.

A key reason for his success in the stock market, Clark says, is his focus on currencies. While for many investors the risk and reward of currencies is an afterthought, it forms the base of Clark’s investment worldview.

“What we try and do is invert the process,” Clark says. “So, we'd put currencies at the beginning of the investment process rather than at the end. And that's really been the heart of how I look at things…”