By training a civil engineer but has specializing in global warming / climate change and the assessment of physical and transitional risks. Kristian works in the Arup Climate Change group where he develops and manages a broad programme of work across many sectors and interests. Kristian is an experienced modeller who has lead and delivered many system modelling projects examining both GHG emissions mitigation and climate change vulnerability and resilience. This includes using tools such as life cycle assessment and multi-regional input output assessment. His work has been used to inform policy and provide strategic advice, gain development consents, guide design projects, advise Governments, sectors and organisations, as well as support product development programmes.