Simon Jefferies

Simon Jefferies is a seasoned professional with extensive experience in strategic account management and sales leadership within the technology sector. Currently serving as a Strategic Account Manager at Island since May 2024, Simon previously held multiple roles at Tanium from June 2015 to May 2024, culminating in the position of Vice President of Sales. Earlier career milestones include significant roles at Symantec as a Global Technical Account Manager, and various positions at Entrust and Computer Sciences Corporation, demonstrating a solid foundation in technical account management and solutions architecture. Simon holds a BSc (Hons) in Computer Science from Bournemouth University, earned between 1999 and 2003.