Matthew Heideman is the Vice President of Public Sector at Mattermost, Inc., where he leads the company's growth in the federal market, focusing on driving adoption among key public sector customers, including the Department of Defense (DoD). With a strong background at industry leaders such as Lockheed Martin, Deloitte, and Red Hat, Matthew has deep expertise in Mission IT, cybersecurity, and Governance Risk & Compliance (GRC). His leadership is instrumental in helping federal agencies enhance operational efficiency and mission readiness through secure, real-time collaboration solutions. Matthew’s ability to navigate both Government and Commercial sectors enables him to foster strategic partnerships and deliver innovative solutions that address critical national security needs. He is committed to empowering government teams to make faster, more informed decisions in high-stakes environments.