Brendan Gregg is an internationally renowned expert in computing performance and now works at Intel as a Fellow. Previously a leader of performance engineering at Netflix, where he did performance design, evaluation, analysis, and tuning. He authored Systems Performance and BPF Performance Tools in the Addison-Wesley professional computing series, and received the USENIX LISA Outstanding Achievement award. Previously among the top performance experts at Sun Microsystems, he has delivered industry-leading performance for a variety of products. He has also created widely used performance tools, methodologies, and visualizations, including flame graphs, and pioneered eBPF as an observability technology. His work has saved the industry over US$1B, and has been the basis for multiple startups.