David has been working on QEMU/KVM for almost 6 years now. His current projects are mostly centered around memory hot(un)plug and memory overcommit in the context of virtual machines. While he's involved with QEMU/KVM on s390x and Linux memory management in general, his main projects include virtio-balloon and virtio-mem. David joined Red Hat in 2016 and already presented at the KVM Forum in Seattle (2015), Toronto (2016), and Edinburgh (2018).