Mark Harris

Mark Harris is an accomplished professional with extensive experience in the cybersecurity and technology sectors. Currently serving as an Advisor at Lionfish Tech Advisors since April 2022, Mark previously held the role of Senior Director - Analyst at Gartner from March 2019 to March 2022, where coverage included Endpoint Protection, EDR, Ransomware, and Email Security. Notable contributions at Gartner involved authoring influential research documents. Prior to Gartner, Mark was with Sophos from July 2005 to February 2019, holding multiple key positions including Distinguished Engineer, Vice President of Engineering, and VP of SophosLabs, where responsibilities encompassed architecture strategy and managing a global research team. Earlier career highlights include serving as Director of Engineering at McAfee and Team Leader at Dr Solomons Software. Mark holds a BSc in Microelectronics & Computing from Aberystwyth University.