Brendan Gregg is an industry expert in computing performance and cloud computing. He is a senior performance architect at Netflix, where he does performance design, evaluation, analysis, and tuning. He is the author of Systems Performance published by Prentice Hall, and received the USENIX LISA Award for Outstanding Achievement in System Administration. Brendan has created performance analysis tools included in multiple operating systems, and visualizations and methodologies for performance analysis, including flame graphs.