Our Team.

Dan Mastromatteo

Director, Client Advisory

Dan is the Director of Client Advisory at Sandline Global, where he focuses on cultivating strong, strategic relationships with corporate legal teams and Am Law clients. With years of experience in the eDiscovery industry, Dan brings a consultative, solutions‑driven approach to helping clients navigate complex discovery challenges. His background also includes supporting Cyber Incident Response matters through targeted data mining and analysis, giving him a unique perspective on the intersection of digital forensics, rapid‑response workflows, and defensible data strategies.

Known for his deep expertise in sales operations and relationship management, Dan partners closely with clients to align Sandline’s advanced eDiscovery, forensics, and managed review capabilities with the unique needs of each matter. His ability to translate technical workflows into practical business value has made him a trusted advisor to legal teams seeking efficiency, defensibility, and consistent quality. At Sandline, Dan plays a key role in driving client engagement and ensuring that clients receive proactive, high‑touch support throughout the lifecycle of their projects.

Dan holds a bachelor’s degree from the University of North Carolina at Chapel Hill.

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