You can find all my recent talks on Notist at https://talks.rmoff.net/. Older ones are on Speaker Deck.
I have a variety of talks, around several different aspects of Apache Kafka and related technologies.
Kafka 101 / introductory talk : “Kafka as a Platform: the Ecosystem from the Ground Up” Introduction to ksqlDB and stream processing principles and semantics - with lots of live demos. “An introduction to ksqlDB” Live demo showing use of Kafka Connect and ksqlDB: “Apache Kafka in Action : Let’s Build a Streaming Data Pipeline!