2025
Otus - Kotlin vs Java for Q 0:00 of 1:29:20
    https://www.youtube.com/watch?v=W4B2rX-A5wA
JetBrains - Kotlin Worst Practices — How to Maximize Your Hassle | Liliia Abdulina 2:00 of 15:41
    https://www.youtube.com/watch?v=ojuBhKRzyL8
JUGNsk - Elizarov - Lessons of Kotlin of 1:00:37
    https://www.youtube.com/watch?v=huPZqkb-Sb8
2024
RockTheJVM - Kotlin 
    https://www.youtube.com/playlist?list=PLmtsMNDRU0BxRw895WX1rh5iOTNSYpSxh
2021
Otus - OOP in Kotlin 2:00 of 1:48:52
    https://www.youtube.com/watch?v=v5-SBApeiHg
BrightonKotlin - Bootiful Kotlin with Josh Long 0:00 of 1:15:09
    https://www.youtube.com/watch?v=IQ-Rmi9yNH8
2020
Elizarov - A Look Into the Future
    https://www.youtube.com/watch?v=0FF19HJDqMo
Lee - Advanced Kotlin
    https://www.youtube.com/watch?v=uzjp5F22Igs
2019
CSC - 2018 - Kotlin
    https://www.youtube.com/playlist?list=PLlb7e2G7aSpRWQNlOIhvCV9aquTH-Y0eU
Wharton - Kotlin: Write Once, Run (Actually) Everywhere
    https://www.infoq.com/presentations/kotlin-run-anywhere
2018
Breslav - KotlinConf - Conference Opening Keynote
    https://www.youtube.com/watch?v=PsaFVLr8t4E
Hariri - Kotlin 102 - Beyond the Basics 
    https://www.youtube.com/watch?v=1KldcFc7HCY
2017
Hariri - Kotlin 102
    https://www.youtube.com/watch?v=a7QpoMj2uIA
10 Kotlin Tricks in 10ish minutes
    https://www.youtube.com/watch?v=0sPzDwS55wM
Breslav - Introduction to Kotlin at Google I/O
    https://www.youtube.com/watch?v=X1RVYt2QKQE
Lee - Advanced Kotlin
    https://vimeo.com/242159070
2016
Ibragimov - The Darkside of Kotlin (ru)
    https://www.youtube.com/watch?v=fZXQjy8sdok