Greg Jackson, the founder of Octopus Energy, was appointed to an advisory role by the Government last year - Hollie Adams/Reuters A technology venture launched by Greg Jackson, the Octopus Energy founder and government adviser, has secured £25m of taxpayer cash as ministers scramble to convince it to list in London. Kraken, a software business being spun out of energy giant Octopus, has secured the funding from the British Business Bank. The cash injection is the taxpayer-owned bank’s biggest-ever direct ...