Astrid is Head of Sustainability at Techbuyer and Interact and chair of the Sustainability Special Interest Group at the Data Centre Alliance (DCA). She works on highlighting the environmental and social benefits of extending the product life of IT hardware and optimising energy efficiency for servers. She is co-author of a number of academic papers on Circular Economy, the effect of the slow down of Moore's Law on its adoption as well as the effect of different temperature set points on server efficiency. She also facilitates discussion on embodied carbon, sustainability standards and the effect of software on energy usage through the DCA Special Interest Group and led the publication of the DCA Sustainability Best Practice document.