Loading All 0 - 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Letter G Gary Jacobs BD Manager, Vattenfall Geoff Ellison Director, Ground Source Heat Pumps Association Geoff Mackey UK Country Head, Plastics Europe and Strategic Advisory Board, University of Nottingham George Day Senior Advisor – Net Zero Policy, Energy Systems Catapult Gordon McIntosh Director, Aberdeen Renewable Energy Group (AREG)