Matt is the co-founder and CTO of Nyrkiö, a company that wants to arm every developer with the tools to understand the performance of their code. He has spent over 15 years working on low-level, high-performance systems and was previously the maintainer for the Linux kernel EFI subsystem while at Intel and SUSE. Most recently, Matt has focused on the performance of distributed systems and databases including leading a globally distributed team of engineers that contributed significant performance changes to the Apache Cassandra 5.0 release. He has co-authored papers on performance change detection and distributed systems testing and served on the ACM/SPEC ICPE program committee. Matt can often be found on Twitter, discussing topics such as software performance, benchmarking and statistics.