Panzura on Tuesday announced that the company has closed a $15 million Series C funding round led by Opus Capital with participation from its existing investors, Matrix Ventures, Khosla Ventures and Chevron Technology Ventures, the investment arm of the world’s third-largest oil conglomerate. Opus Capital General Partner Carl Showalter will join Panzura’s board of directors. The new round of funding brings the company’s total backing to $33 million. «Panzura is honored to add the expertise of our new partners at Opus Capital, with the addition of industry veteran Carl Showalter to our board,” Randy Chou, CEO and cofounder of Panzura, stated, “and are encouraged by the ongoing support of our longtime partners at Matrix Ventures, Khosla Ventures and Chevron Technology Ventures.»