Kamran Ansari, a venture partner at Greycroft Partners who previously led the fund's investment in Venmo, shared his best career advice for young finance professionals and aspiring entrepreneurs. Speed is at the core of the venture industry. "In the venture business, it's not necessarily about getting convictions, it's about getting a conviction first," he said. Venture capitalists do much more than just sign checks. They're constantly on the hunt for the next big idea and work closely with startup founders to help their companies grow. But what's the most critical quality for a successful venture investor?