According to Forbes, Tech accelerator program, Y Combinator, has chosen venture capitalist Garry Tan as its fourth leader in its 17-year history. In January, the Y Combinator alum is set to replace the current president, Geoff Ralston, who served in this position since 2011.  As a part of his new role, Tan is expected to step down from his role at Initalized Capital, an early stage venture capital firm he founded alongside Reddit cofounder Alexis Ohanian in 2012.  “This is a community where people’s dreams, more or less, are fulfilled