Marek Chmel is an IT consultant and trainer with more than 10 years' experience. He is a frequent speaker, focusing on Microsoft SQL Server, Azure, and security topics. Marek writes for Microsoft's TechnetCZSK blog and has been an MVP: Data Platform since 2012. He has earned numerous certifications, including MCSE: Data Management and Analytics, EC Council Certified Ethical Hacker, and several eLearnSecurity certifications. Marek earned his MSc (business and informatics) degree from Nottingham Trent University. He started his career as a trainer for Microsoft server courses. Later, he joined AT&T, as a principal database administrator specializing in MSSQL Server, Data Platform, and Machine Learning.