Gareth has held CEO or MD positions in companies such as Caradon Everest (T/O £100m, 2,500 people), W H Smith Business Supplies (T/O £140m, 1,400 staff), and ISS (T/O £230m, 32,000 staff) an FM services company. He was also Sales and Marketing Director at British Gas (T/O £500m) where he transformed sales performance, turning a £221m annual loss into profitability. He has also founded, or held senior positions, in a number of new ventures including in renewable energy and fuel additives.