Insik Rhee serves as Partner at Vertex Ventures US. He previously served as General Partner at Rembrandt Venture Partners. He served as Board Member at Hedvig. He also serves as a Board Member at ZEPL. He serves as a Board Member at Concurrent. He joined Rembrandt Venture Partners as a General Partner from Accel Partners. He brings an additional 18 years of experience as an entrepreneur and investor. Rhee was a Venture Partner at the Palo Alto Office. He joined Accel Partners in August 2007. He served as an Advisor and Board Member to Accel's portfolio companies and also focused on new investment opportunities in software and digital entertainment. He was a co-founder and chief tactician at Opsware, formerly Loudcloud, which was acquired by Hewlett-Packard for US$1.6 billion in 2007.