Mark Tierney is the Technology Lead for SEI Sphere, which provides clients with cybersecurity and IT managed services. In this role, Mark, provides strategic direction that oversees the processes that drive operational efficiency and technology innovations within the solution. Prior to his current position, Mark served as the Director of Technology where he lead the management, strategy and execution for a wide variety of technology services for SEI’s enterprise. Included among those services are data center and network operations, corporate IT and Help Desk operations, as well as database management, system administration, middleware and application support operations.