Alastair is the Head of Decommissioning for the North Sea Transition Authority (NSTA). The NSTA regulate and influence the oil and gas, offshore hydrogen and carbon storage industries for the UK Continental Shelf (UKCS), with a focus on maximising economic recovery, reducing emissions and accelerating the energy transition. Prior to taking on this role in April 2023, Alastair spent 17 years in industry, working for Chevron and then Ithaca Energy. During that time, he held a number of different roles supporting offshore operations and project activities – ranging from Subsea Engineer, Turnaround Manager, Brownfield Modifications Lead and then Asset Integrity Team Lead for several years before joining the NSTA. Alastair has a Mechanical Engineering with Management (MEng) background and is a Chartered Engineer and a Fellow of the IMarEST. He volunteers with several local charities and initiatives in Aberdeen, and is the Chair of one of those organisations. He co-chairs a strategic Decommissioning & Repurposing North Sea taskforce and also chairs the Decom workgroup within an International Upstream Forum which comprises regulatory bodies from across the globe.