SINGAPORE : Indonesia-focused Alpha JWC Ventures has raised US$433 million from global and regional investors, including the International Finance Corporation, for its third fund as venture capitalists scale up investments in thriving tech start-ups. "Alpha JWC's main focus lies in the early stage, from Pre-Seed to Pre-Series A, whereby we also actively follow through the start-ups's Series A, Series B and beyond," Jefrey Joe, co-founder and general partner at the venture capital firm, said in a statement on Tuesday.