Ben Guest

Head, Gresham House New Energy
Gresham House
Ben Guest
Ben is the Managing Director of the Gresham House New Energy division and Lead Manager for the British Strategic Investment Fund (BSIF) strategy. He started his fund management career at Lazard Asset Management, before founding Hazel Capital (now Gresham House New Energy) in April 2007, subsequently serving as Managing Partner and Chief Investment Officer. With over 20 years’ investment experience, Ben’s expertise spans the investment spectrum, across infrastructure, public equities and venture capital. He is responsible for the origination and execution of investment opportunities at Gresham House, alongside ongoing portfolio management. Ben currently serves as a director of over 40 companies and until recently was the non-executive chairman of Oxis Energy, a UK-advanced battery power company. He holds a BEng in Mechanical Engineering from Imperial College London.