Not so long ago, Naval Ravikants name was mud in Silicon Valley. The co-founder of Epinions raised eyebrows in 2005 by suing his co-founder, along with powerful Benchmark Capital, whom Ravikant and two others accused of cheating them when the company was sold. Today, Ravikant is one of the valleys most influential names in the startup game, thanks to his having launched Angel List a matchmaking service for startups and funders. On Wednesday, Ravikant will deliever a keynote address at Startup Grind, a confab for entrepreneurs at Microsofts Mountain View digs that will also feature a whos-who of other startup investors and CEOs.