Being a venture capitalist can be an amazing, yet grueling, career path. Max Niederhofer is a general partner of Sunstone Capital, one of Europe's most active early-stage venture capital firms. The following are what Max considers to be the most psychologically difficult aspects of being a venture investor. A core principle of venture investing is putting the founder first. Most firms do so in marketing; more and more are living it. That's different to when I started out in VC more than a decade ago. And it's a great change.