Matt Ahrens and George Wilson gave a talk on [https://www.socallinuxexpo.org/scale/16x/presentations/openzfs-basics OpenZFS Basics] at SCALE16x, March 2018. [https://docs.google.com/presentation/d/1P2Q_eAgJH_6YorgTHDVgTZQfrBgtGs6VwLBvX7W23FA/edit?usp=sharing Slides] and [https://www.youtube.com/watch?v=MsY-BafQgj4 Video]
The [http://zfs.datto.com/ ZFS User Conference] was held April 2018.
Matt Ahrens will give a talk at BSDCAN: [https://www.bsdcan.org/2018/schedule/events/960.en.html Want to add a disk to OpenZFS' RAID-Z?], June 2018