Roelof Botha, longtime investor and former steward at Sequoia Capital, has joined the board of SpaceX, a filing revealed. The news comes less than a week after SpaceX’s historic IPO and about seven months after Botha stepped down as Sequoia steward, the legendary venture capital firm’s title for its leader. His tenure coincided with a notably difficult time in the VC firm’s history. Botha, as an investor, famously backed winners like YouTube, Instagram, Block, and MongoDB, among others. Botha, w...