Mark Notten

CEO and Co-Founder

Mark co-founded Tier1 in 2008 together with Phil Dias, a partnership spanning over 30 years. Mark began his career at Systemware Innovation Corporation (SWI.com), creating mission critical software for the telecom and nuclear sectors. This led Mark’s first CEO role, as founder of Halcyon Monitoring Solutions which created flagship software products for Sun Microsystems and Cisco.

Mark’s vision for Tier1 was to create world leading enterprise cloud-computing software to power the institutional sell-side and buy-side. Under his leadership, Tier1’s products are currently being used by tens of thousands of users across a prestigious client base in sales and trading, corporate and investment banking, and investment management.