Brian O'Sullivan serves as a Senior Active Directory Technical Lead at Allstate since September 2022, following a role in Identity Services at Northwestern University. With extensive experience at Stanley Black & Decker, O'Sullivan held multiple positions including Manager of Technology Systems and Technical Lead for Global Infrastructure Services, where significant achievements included delivering 100% uptime for Active Directory and executing M&A integration strategies resulting in over $20MM in savings. Prior to that, roles included Network Administrator and IS Manager, showcasing a deep expertise in infrastructure management and system integration. O'Sullivan's educational background includes studies at Loyola University Chicago.
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