Dean Sysman is an Israeli entrepreneur and tech executive who serves as the co-founder and CEO of Axonius, a cybersecurity company founded in 2017 that provides an asset management platform to help organizations discover, manage, and secure their IT, cloud, OT, and IoT assets. Under his leadership, Axonius has experienced rapid growth, achieving unicorn status with over $500 million in funding from investors including Accel, Lightspeed Venture Partners, and Vertex Ventures. The platform addresses critical challenges in cybersecurity by offering visibility and control over complex IT environments, serving enterprises worldwide and positioning Axonius as a leader in the cybersecurity asset management space. Sysman relocated to the United States to expand the company's operations, with headquarters in New York City.

Prior to founding Axonius, Sysman built a strong foundation in cybersecurity through his service in the Israeli Defense Forces (IDF), where he worked in intelligence units, gaining expertise in network security and threat detection—a background shared by many prominent Israeli tech leaders. He is an alumnus of Israeli military intelligence. He later held engineering and product roles at Check Point Software Technologies, a global cybersecurity leader, and other firms, honing his skills in software development and security solutions. Additionally, Sysman co-founded SysAid Technologies in 2002, where he served as CEO, building it into a prominent provider of IT service management (ITSM) software solutions used by thousands of organizations globally. SysAid focuses on help desk automation, asset management, and service desk functionalities, and was acquired by private equity firms in later years, allowing Sysman to gain experience in scaling tech startups. His background in computer science from the Technion has informed his approach to developing innovative software solutions in the tech sector.

Sysman's professional partnership with Nadav Zafrir, through shared projects in the cybersecurity domain, underscores his connections within Israel's vibrant tech ecosystem. Based in New York, Sysman continues to drive Axonius's innovation and expansion, positioning the company as a key player in the evolving cybersecurity landscape. His career reflects a blend of military discipline, technical acumen, and entrepreneurial drive, with a track record of founding and leading successful companies from Israel to the global stage, contributing to Israel's reputation as both a cybersecurity powerhouse and a startup nation.