Dr Nina Klein is a Flexibility Policy Expert at Ofgem, working closely with the Enabling Flexibility Markets team. The team previously published a Call for Input on the Future of Distributed Flexibility and are currently developing policy on the Flexibility Digital Infrastructure needed to support distributed flexibility at scale.Previously, Nina was an Energy Engineer at BEIS advising on smart energy policy, including PAS 1878/79 for Energy Smart Appliances. During a secondment to ESO Nina led various digital innovation projects, including CrowdFlex and the Virtual Energy System.