Hamet is a serial entrepreneur of multiple ventures. He founded notable startups such as NextMedium and MoviePass, and he is became a Venture Partner at Upfront Ventures after serving as an E.I.R at True Ventures. At NextMedium, Hamet raised 2 rounds of venture capital with Ascend Venture Group, Globespan Capital Partners, Bessemer Venture Partners, and Newport Coast Investments and sold the company in 2007.