Duncan is co-founder and general partner at Mantella Venture Partners where he currently currently serves as executive director at Wysdom, and as investor and advisor at Ritual, Flixel, ChatKit, Wisk Solutions and PebblePost. Duncan previously served as executive investor at Unata (acq Instacart ’18), executive director at Chango (acq Rubicon Project ’15), executive director at SurfEasy (acq Opera ’15), investor at Joist (acq EverCommerce ’18), executive director at RapidMind (acq Intel ’09), executive Investor at Pushlife (acq Google ’11), executive director at Brave Commerce (acq. Rogers Media ’12), the advisory board of Opalis (acq Microsoft ’09), and as entrepreneur in residence at Ventures West. Prior to his move into hands-on venture investing, Duncan was the Founder and Chief Technology Officer of Think Dynamics, a developer of data center automation software, which was acquired by IBM in May 2003. Think Dynamics became an integral part of IBM’s Tivoli portfolio and Blue Cloud initiative. Duncan served as an IBM executive until June 2005 guiding market and technology strategy for Tivoli’s on demand automation software portfolio. Prior to founding Think Dynamics, Duncan established a data centre consulting practice that delivered enterprise systems architecture and management services to customers that included Virgin, Norwich Union, one2one, Millipore, ADP and Teleglobe in the UK, USA and Canada.