Richard Martin
Data Analyst | Power BI Developer | Microsoft Fabric | Chess Master
- Role
- Senior Data Analyst at Silverchair
- Location
- Milwaukee, WI, US
- LinkedIn followers
- 500 followers
About Richard Martin
I talk data. My extensive experience working with data both from academia and the private…
Experience
Senior Data Analyst
Mar 2024 — Present · Milwaukee, WI, US
Power BI Development and Performance/Report Optimization o Migrated data reporting process – consolidating 300+ legacy reports for over 30 clients to 11 streamlined, interactive Power BI reports within Microsoft Fabric o Developed unique DAX with snowflake structure to achieve star schema performance enabling calculations that take less than 10 milliseconds to execute with tens of millions of rows o Built a performative semantic model to handle billions of rows, shrinking the models from over 60 GB to just 2GB o Adapted to performance-constrained semantic modeling challenges by implementing bridge tables as anti-patterns to resolve many-to-many aggregation relationships o Identified bottlenecks on performance using DAX Studio’s VertiPaq Analyzer to inform BI architectural decisions Data Structuring and Pipeline Monitoring o Submitted and approved pull requests in DevOps to update visual layer and semantic model of reports o Accelerated report development through C# bulk update scripting, executed in Tabular Editor o Filtered Azure Data Factory load failures and inspected ETL cycle speeds to streamline access for debuggers DevOps and Deployment Automation o Submitted and approved pull requests in DevOps to update the visual layer and semantic model of reports o Connected Git repository from Azure DevOps to development workspace to test specific clients and data sources o Tracked query folding status of SQL queries in Azure monitor o Reconciled results between data warehouse storage and the reporting layer using SSMS o Used TMDL to trace version changes between PBIP files Stakeholder-Focused Reporting and Project Delivery o Presented reports to executive stakeholders (data systems business analysts, product owners, data architects) o Building unique wireframes for custom reports using Figma or data governance/stakeholder engagement
Education
University of Wisconsin-Milwaukee
Master of Arts - MA, Economics
Knox College
Bachelor of Arts - BA, Financial Mathematics and Economics
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