Michał Wiśniewski
Business Intelligence Consultant at ACCRE
Warsaw, Masovian Voivodeship, Poland
Summary
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Senior🎓
Top SchoolMichał Wiśniewski is a Business Intelligence consultant with over 22 years of hands-on experience designing and delivering enterprise BI, DWH and analytics solutions across IBM Cognos, Power BI, Oracle BI and Tableau platforms. He combines deep database and ETL expertise (Oracle, SQL Server, DB2, Teradata, Snowflake) with solution architecture and team leadership to implement MIS-class systems, OLAP cubes and automated reporting for complex organisations. Lately he has focused on applying modern AI and generative tools—designing LLM-based solutions, prompt engineering and integrating Microsoft Copilot, ChatGPT and IBM Watson to boost analytics, automation and decision-making. Known for pragmatic migrations and data-quality problem-solving, he also trains users and teams to adopt analytic best practices. Based in Warsaw, he pairs long-term platform mastery with a knack for practical innovation that turns analytics into competitive advantage.
9 years of coding experience
Master, Master at University of Gdansk
University of Gdansk
Github Skills (4)
html3
file-upload3
drag3
angular2
Programming languages (2)
Github contributions (5)
Michalwisniewski1/Simple-ChatApp
Mar 2017 - Apr 2017
Contributions:51 commits, 48 pushes, 1 branch in 1 month
Michalwisniewski1/data-management-module
Nov 2018 - Mar 2019
Contributions:96 pushes, 3 branches in 4 months
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