Sami Laiho is one of the world's leading professionals in the Windows OS and Security. Sami has been working with and teaching OS troubleshooting, management, and security since 1996. Sami has been auditing and implementing security solutions, specializing in Principle of Least Privilege, Application Control and Privileged Access Workstations, since 2002. Sami has deployed solutions for companies with between 1-550000 endpoints. Sami currently works as a Chief Research Officer at Adminize.com. Since 2019 Sami has been chosen by TiVi-magazine as one of the top 100 influencers in IT in Finland. He is in the TOP10 most followed people in his field in Finland. At Ignite 2018, Sami's "Behind the Scenes: How to build a conference winning session" and "Sami Laiho: 45 Life Hacks of Windows OS in 45 minutes" 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. Before that, at Ignite 2017, the world's biggest Microsoft event, Sami was evaluated as the Best External Speaker! Also, Sami's sessions were evaluated as the Best session in TechEd North America, Europe and Australia in 2014, and Nordic Infrastructure Conference in 2016, 2017, 2019, 2020, 2022 and 2023.