Black-owned VC firm Cornerstone V.C, which boasts a diversity-led investment thesis, has hired its first female partner Ella Wales Bonner.  Bonner will spearhead the development of Cornerstone’s in-house coaching practice to support the leadership potential of its portfolio companies. Who Are Cornerstone V.C.? Born out of a Black-led angel group, Cornerstone Partners, Cornerstone V.C. firm was founded by Rodney Appiah, Edwin Appiah, and Wilfred Fianko. The early-stage venture capital firm invests in innovative B2B technology solutions in the U.K., launching its first £20 million ($23.9 million) fund last year. Cornerstone V.C. invests in many more