Hadi Hariri is VP of Developer Advocacy at JetBrains, the organization behind the creation of Kotlin. He's been speaking at software industry conferences for over 15 years and is well respected within the open source community. He’s the original author of Spek and Wasabi, amongst other OSS projects. He’s been closely involved in Kotlin for more than four years. Hadi is easily accessible on Twitter at @hhariri.