Joost VS. Mike Volpi Charge: Theft of information used in Skype bid Online video player Joost and the founders of Skype have filed a lawsuit against Joost’s former chief executive and chairman, Mike Volpi, for alleged theft of company information that was used in the successful bid for Skype. It also named Volpi’s venture capital firm, Index Ventures, which he joined after leaving video-sharing firm Joost. Case Status: Closed Case Closed: 12 Months ago. Category: Business and Commerce Tags: Joost Skype Ebay Theft