The company said in a statement that Mclean would lead training and development of educational assets around Instaclustr-deliver open source data-layer technologies, including Apache Cassandra, Apache Kafka, Apache Spark and Kibana, Elasticsearch, and Redis.
Mclean has about three decades of experience as a developer, software entrepreneur, tech trainer and adviser to open source projects.
"Instaclustr embodies a kindred spirit to my own when it comes to a mutual belief in the power of pure open source technologies and the many advantages they deliver for developers and enterprises," said Mclean.
Doug Stuart, chief operating officer, Instaclustr, said: "Justin's depth of experience as an open source technology leader, mentor, and educator make him an ideal fit to be heading up our training services.
"We've been fortunate to get to know Justin through his stewardship at the Apache Software Foundation (which continues), and we look forward to him instilling his deep passion for open source and teaching acumen across our training solutions."
Mclean will continue to serve on the ASF board, having been re-elected recently.