Alexander TaubAlex Taub is the cofounder of SocialRank, a tool that helps brands find out better information about the people who follow them on social networks. Alex previously led business development and partnerships for online integrations at Dwolla, on of the fastest growing startups in the country. Alex contributes to the Forbes Entrepreneur section twice a month. Ellen DaSilva is a senior analyst of the business operations team at Twitter, which strategically targets revenue opportunities for -the company. Ellen's past positions include investment banking at Barclays Capital and financial planning at Hillary Clinton for President. Read More Read Less