Sami Laiho is one of the world's leading professionals in Windows OS and Security. Sami has been working with and teaching OS troubleshooting, management, and security since 2001. Sami's session was evaluated as the best session in TechEd North America, Europe and Australia in 2014, and Nordic Infrastructure Conference in 2016 and 2017. At Ignite 2017, the world's biggest Microsoft event, Sami was evaluated as the Best External Speaker! At Ignite 2018, the world's biggest Microsoft event, Sami's sessions were ranked as #1 and #2 out of 1708 sessions!! This was the first time in the history of the conference that anyone has been able to do this!