A few years after graduation, former college roommates Greg Ugwi and Justin Zhen found themselves on Wall Street, building financial models for an investment bank and a hedge fund, respectively. They grew certain there had to be a better application than the Excel spreadsheet, and a better approach to collaboration and sharing than emailing massive files among analysts. Turning to the web, they coded a platform for people who create valuations models for publicly traded companies, and named it Thinknum …
