Reid Hoffman, a LinkedIn cofounder, is one of the signatories who has pledged to support Harris.Kimberly White/Getty ImagesMore than 100 investors pledged to support Harris on a new website, VCsForKamala.org.The push comes after Silicon Valley players like Elon Musk and Marc Andreessen have backed Trump.Harris, a California native, is working to build momentum in the tech world.Some of Silicon Valley's biggest names announced on Wednesday an effort to support Kamala Harris — and push back against the once liberal enclave's rightward tilt.More than 100 venture capitalists pledged to vote and gather donations for Harris, according to the newly launched website, VCsForKamala.org.