John WilliamsSenior Principal at Poyry
John Williams is a Senior Principal within Poyry’s gas team. He has advised TSOs, regulators, governments, market participants and infrastructure funds. He works on a broad range of topics that includes CCS, decarbonisation, gas market design and gas market analysis. He has 25 years of experience working in competitive gas markets with Poyry and companies such as Shell and Centrica.