Jacek Laskowski

Jacek is an independent consultant, programmer, and technical instructor who works exclusively with Apache Spark, Apache Kafka, and Kafka Streams. He is active on Stack Overflow, meetups, Twitter, GitHub, and Quora. He is best known for his books on Apache Spark (with separate publications on Spark Core, Spark SQL, and Spark Structured Streaming), as well as Apache Kafka and Kafka Streams.