Tomaž Kaštrun (t:@tomaz_tsql) is BI / DEV developer and data analyst. With more than 15 years of experiences in the field of databases, business warehouses and development, with focus on T-SQL programming and query optimization. Besides BI development, his focus is also also data mining, statistics and research.
He has been working with Microsoft SQL Server since version 2000. He is also Microsoft Certified Professional, Microsoft trainer and Microsoft Data Platform MVP.
Tomaž is a blogger, author of many articles, speaker at various community and Microsoft events and an avid coffee drinker.
His Github repositories are available here.
Some of old blogs (not sure about the names though):