Shawn Tiller is a Cyber Managing Director in Deloitte’s Government & Public Services (GPS) Civil Sector, where he helps federal clients strengthen cyber resilience, modernize security operations, and reduce mission risk. Prior to joining Deloitte, Shawn spent 23 years in federal law enforcement, bringing a practitioner’s perspective on investigations, threat response, and operating in high-stakes environments. At Deloitte, he serves as the firm’s Cyber Databricks champion for GPS, supporting Federal Government and State, Local & Higher Education clients in applying the Databricks platform to cyber use cases such as security analytics, detection engineering, and scalable data pipelines. Known for bridging strategy and execution, Shawn partners with stakeholders across security, data, and technology to deliver outcomes that are practical, measurable, and built to last.