Margarita Naumova

Margarita Naumova is a well-known Bulgarian SQL Expert. Magi has achieved the highest possible SQL Server Technical Certification in the field – Microsoft Certified Master, making her one of the best SQL Server Experts Worldwide, among the top one percent of IT professionals in the World.
She has almost 20 years of SQL Server and BI technologies experience delivering consulting and training in Bulgaria and abroad (UK, Finland, Germany, Sweden, Cyprus, Norway) and is a trusted advisor for major Bulgarian customers in SQL Server Platform Area.
She works in the area of Designing and Architecting SQL Server and BI Platform Solutions, SQL Server Performance Tuning and Optimization, High Availability and Disaster Recovery SQL Server Solutions.
Magi Naumova is a leader and founder of Bulgarian SQL & BI User Group “Let’s SQL Together!” and is a regular presenter of the largest IT events in Bulgaria.
She is a CEO of two companies – Inspirit LTD located in Sofia and Inspir-IT AS located in Oslo. Both are Data platform companies delivering services in Bulgaria and Norway. She is an author of SQL Master Academy – a SQL Training Program that has helped hundreds of specialists to feel knowledgeable in their daily work or to find an inspirational career path in the world of SQL Server.

Speaker At:


Stoyan Chaldakov

Stoyan has more than 10 years of experience in the fields of accounting, finance and audit. Currently as a Business Analyst he participates in series of projects where he combines the financial knowledge with Data analytics, to help customers benefit from their data. His passion for Power BI complements his business experience and turns him in the priceless link between business demand and technology capabilities.

Krasi Donchev

Krasi has more than 25 years of experience in IT, also solid experience in business management, strong consultancy and solution architect background. One of the first 3 Certified ITIL Service Managers, one of the first 5 Microsoft Certified Trainers in Bulgaria. Experienced workshop and seminars facilitator with excellent communication and presentation skills.


Dejan Sarka

Sarka, MCT and SQL Server MVP, is an independent trainer and consultant that focuses on development of database & business intelligence applications.  Besides projects, he spends about half of the time on training and mentoring. He is the founder of the Slovenian SQL Server and .NET Users Group. Dejan Sarka is the main author or coauthor of twelve books about databases and SQL Server. Dejan Sarka also developed many courses and seminars for Microsoft, SolidQ and Pluralsight.

As an MCT, Dejan Sarka speaks on many local and international events. Some of the international events include conferences such as PASS, TechEd, DevWeek, and many PASS SQL Saturdays. He is also indispensable on regional MS events, for example on the NT Conference, relatively the biggest MS conference in Central and Eastern Europe. He spoke on SQL Server 2005, 2008, 2008R2, 2012 and 2014-2019 launch events in many countries, including Austria, Croatia, Israel, Latvia, Romania, Serbia, Slovenia and UK.


Matija Lah

Matija Lah has more than fifteen years of experience working with Microsoft SQL Server, mostly from architecting data-centric solutions in the legal domain. His contributions to the SQL Server community have led to the Microsoft Most Valuable Professional award in 2007 (Data Platform). He spends most of his time on projects involving advanced information management, and natural language processing, but often finds time to speak at events related to Microsoft SQL Server where he loves to share his experience with the SQL Server platform.