Greylock Partners led the $12.4 million funding according to the hub, Entrepreneur First. : LONDON: The venture capital firm led by LinkedIn Corp co-founder Reid Hoffman has invested in Entrepreneur First, a London-based hub for start-ups, alongside Mosaic Ventures and Founders Fund.Greylock Partners led the $12.4 million funding, which also included Lakestar Capital, and Demis Hassabis and Mustafa Suleyman, the founders of DeepMind, according to a statement from Entrepreneur First. Hoffman’s involvement was first reported by Bloomberg.Hoffman will also join the board of Entrepreneur First.