Prime Impact Capital

Mark Long,  Founder, Co-CEO, and CFO

Mark Long,
Founder and Managing Partner

Mark Long is a 25-year Silicon Valley veteran with broad strategic, financial and transactional experience. He has focused on driving innovation and value creation throughout his career as an experienced technology executive, investor and investment banker with an emphasis on the software, SaaS, digital media, Internet, entertainment and storage sectors. Mr. Long drove a 10-year transformation of the data storage industry, most recently as CFO (2016—2019) and CSO (2015—2019) of Western Digital, where he led strategy development, mergers and acquisitions, corporate investments, financial management, investor relations, accounting and related activities. In his role he spearheaded the development and implementation of strategic investments, acquisitions and integrations that built the $20 billion data infrastructure leader. Prior to Western Digital, he was responsible for Strategic Development at HGST (2009 - 2012), driving the turnaround of the company with the rest of the executive team, and overseeing its eventual sale to Western Digital for $4.8 billion. Mr. Long joined HGST after serving as the financial advisor to Fabrik in its sale to HGST in 2009. Mr. Long has a J.D. and M.B.A. from the University of Michigan, where he co-founded the Michigan Technology Law Review.