Mark Zuckerberg started Facebook, a social networking website, in February 2004. He recruited his friends Dustin Moskowitz and Chris Hughes to grow the company. In the summer of 2004 , their first investor, Peter Thiel-the cofounder of PayPal-invested $500, 000 into Facebook for a 10.2% stake in the company. In late 2004, Facebook was valued at $100 million and received funding of $12.7 million from Accel Partners. Facebook kept growing and received $25 million in funding from Greylock Partners and Meritech Capital. After several acquisition attempts and rounds of funding, Microsoft invested $240 million into Facebook for 1.6% of the company in October 2007. Based on your understanding of investors in different stages of a start-up's financial cycle, which of the following companies or individuals would be referred to as an angel investor? Peter Thiel Meritech Capital Accel Partners Dustin Moskowitz