Clark Valberg Clark Valberg is the Managing Partner at Tiferes Ventures. He previously worked as the CEO and Co-Founder of InVision, the digital product design platform used to make the world’s best customer experiences. InVision is the cornerstone of the product design process for more than 3 million people at tens of thousands of companies, including eighty percent of the Fortune 100 and brands like Airbnb, Amazon, HBO, Netflix, Slack, Starbucks and Uber. He is a former Co-Founder of Epicenter Consulting.