> [...] joined the company in January 2013, > was involved in developing technology > for all of Tesla's cars [according to > his LinkedIn profile]

> [...] joined the company in January 2013, > was involved in developing technology > for all of Tesla's cars [according to > his LinkedIn profile] He joined after the Roadster went out of production, which had a proprietary Tesla powertrain, so this doesn't seem like an accurate summary, the Model S was also introduced half a year before he started in mid-2012.