Andrew is an engineer and businessman and one of the pioneers of the modern wind energy industry. He is regularly voted as one of most influential people in the energy industry. In 1984 he co-founded the consulting company Garrad Hassan (GH) which grew to become the world’s largest renewable energy consultancy, employing 1,000 people in 29 countries when he retired in 2015.

Previously he has been President of European Wind Energy Association, Chairman of the British Wind Energy Association, now known as Renewables UK, and was awarded a CBE in 2017 for services to renewable energy. Andrew also chaired Bristol’s year as European Green Capital in 2015.