Kamran Ansari, a venture partner at venture-capital firm Greycroft, shared three areas of financial technology where he expects to see disruptions by startups in the coming years. Those areas are mortgage lending, insurance, and business-to-business payments. Financial technology is a massive industry, with startups taking over nearly every corner of Wall Street, from banking to wealth management. But there are a few areas that haven't been hit yet. That's where Kamran Ansari, a venture partner at venture-capital firm Greycroft, is focusing his time.