Jonathan joined Guinness Asset Management in September 2013 and is co-manager of Guinness Global Energy Fund. He has over twenty years’ experience in the energy sector having previously been a drilling engineer for Shell International in the Dutch North Sea, an energy consultant with Wood Mackenzie and the co-head of Goldman Sachs European energy equity research. He joined Investec in 2008 as co-manager on the Investec Global Energy Fund and helped to grow the energy franchise there to a peak of nearly $3.5bn in 2011, prior to joining Guinness Asset Management in 2013.