West Venture Partners has set out to raise a $100 million venture fund. Among the San Francisco fund's managing directors is Joanna Rees, a former managing partner at VSP Capital and a candidate for mayor of San Francisco in the 2011 elections. West Venture Partners has set out to raise a $100 million venture fund, according to a filing with the SEC. Among the San Francisco fund’s managing directors is Joanna Rees, a former managing partner at VSP Capital and a candidate for mayor of San Francisco in the 2011 elections.