Greg Jackson is a British entrepreneur and CEO of Octopus Energy which he founded in 2015, one of the largest energy firms in the UK. Before Octopus Energy, Greg was an entrepreneur with experience in various sectors including mirror manufacturing, coffee shops and software. Before turning aged 30 years, he had owned or managed a number of SMEs . He is an investor and advisor in several tech startups. In 2024 he was awarded a CBE for services to the energy industry.