Mark Long

Portrait
Mark Long, SVP, Chief Financial Officer

Mark Long was appointed Senior Vice President, Chief Financial Officer in October 2026. Before taking on this role, he previously served as Chief Financial Officer and Chief Strategy Officer of Western Digital, where he led financial management, investor relations and corporate strategy. At Western Digital, Mr. Long played a leading role in the company’s strategic transformation, including the integration of Hitachi Global Storage Technologies (HGST), and major industry transactions such as the $19 billion acquisition and integration of SanDisk Corporation. Prior to joining Western Digital, Mr. Long led strategy and corporate development for HGST, playing a key role in the turnaround and eventual sale to Western Digital. Mr. Long most recently served as co-founder and Partner of Prime Impact Capital, a technology-focused investment firm. Earlier in his career, Mr. Long held senior roles in corporate development and investment banking focused on the software, cloud infrastructure and storage sectors. Mr. Long has a J.D. and M.B.A. from the University of Michigan, where he co-founded the Michigan Technology Law Review.