Justin is one of the most-connected and smartest devs & dev leaders of today. Justin was the President of the Apache Software Foundation (ASF).
Justin was the Head of Compute at Bloomberg for multiple years. Currently Justin is currently the SVP of Software Engineering at Major League Baseball (MLB), serving in a CTO-like capacity.
Justin still writes code at MLB and can debug nearly any problem from root-level Java issues to system- and infrastructure-level problems.