SAGAR GARYALI
Gurgaon
Summary
- Senior BI & Data Visualization Consultant with over 6 years of experience in Power BI, Tableau, SQL, and ETL tools (Alteryx, Snowflake, BigQuery) across the HR, Finance, and Operations domains.
- Proven success in building 50+ interactive dashboards and optimizing large-scale data pipelines, delivering up to 33% faster queries, and 25% higher data availability.
- Strong track record in self-service BI, KPI tracking, and data storytelling, enabling leadership teams to adopt insights and improve decision-making accuracy by 17% to 29%.
- Skilled in data governance, automation, and cloud platforms (GCP, AWS), with expertise in scaling reporting frameworks and driving dashboard adoption, and workflow optimization.
Overview
7
7
years of professional experience
Work History
Senior Consultant
EY
Current - Current
- BCG: Designed and delivered Power BI & Tableau dashboards for financial KPIs (YOY, YTD vs LY, CAGR), improving decision-making accuracy by 17%.
- Optimized SQL queries and Alteryx workflows, reducing refresh cycles and improving data processing efficiency by 15%.
- Streamlined ETL pipelines using Snowflake, enhancing scalability and enabling faster reporting.
- Conducted requirement-gathering sessions with stakeholders, defining KPIs and driving adoption of self-service BI frameworks across finance teams.
- Levi’s: Built Tableau dashboards on revenue, costs, and margins, improving operational efficiency by 14%.
- Developed store performance and margin reports, enabling real-time retail insights for leadership.
- Automated pipelines in GCP BigQuery & Power Query, increasing data availability by 25% and reducing manual refresh efforts.
- Levi’s: Designed a BI framework for merchandise and operational KPIs, boosting dashboard adoption and visibility across the business.
Business Intelligence Engineer
Amazon
07.2020 - 03.2023
- Developed and maintained complex Alteryx workflows to automate payroll data preparation for the HR Operational Finance team, improving payroll accuracy and efficiency by 29%.
- Designed and deployed Tableau dashboards with advanced calculations enabling the HR Operations team to monitor payroll accuracy, workforce metrics, and cost trends.
- Used SQL for efficient data extraction and analysis, reducing query execution time by 33% and improving database performance by 16%.
- Collaborated with stakeholders to capture reporting requirements and delivered user-ready dashboards with interactive visualizations, enhancing strategic insights and operational decisions.
Associate
Delhivery
07.2019 - 06.2020
- Designed and automated reports and dashboards, improving operational efficiency by 14% and reducing delivery delays by 12.5%.
- Leveraged SQL and visualization tools to enhance data-driven decision-making accuracy by 21% and boost on-time delivery rates by 9.5%.
Associate
Nurtr
10.2018 - 05.2019
- Assisted in developing and maintaining sales and performance data, supporting strategic planning and operational efficiency.
- Managed data entry and organization for sales metrics, ensuring accurate records and facilitating analysis for informed decision-making.
Education
MBA - International Business
Jamia Millia Islamia, University
New Delhi, IndiaNew Delhi, India
Skills
- BI & Visualization: Power BI, Tableau (Dashboard Design, Data Modeling, Storytelling), Tableau Prep
- Data Engineering & Transformation: Alteryx, Snowflake, GCP BigQuery, ETL, Python, Star Schema Design
- Automation & Apps: Power Automate,Workflow Optimization, API Integration, Google Apps Script
- Data Handling & Analysis: SQL (Optimization & Extraction), Large Dataset Processing, Advanced Excel (Pivot Tables, VLOOKUP, INDEX-MATCH, Macros)
- Collaboration & Platforms: Google Workspace, Microsoft 365, SharePoint, Cross-Functional Stakeholder Management
Core Competencies
Data Governance • KPI Tracking • Self-Service BI • Data Storytelling • Dashboard Adoption • Data Pipelines • Workflow Optimization • Continuous Reporting • Cloud Migration (GCP/AWS) • Strategic Insights • ROI Measurement
Certifications
- Alteryx Designer Core (Achieved)
- Alteryx Designer Advanced (Achieved)
- SnowPro Core Certification – Planned
Key Achievements
- Improved payroll accuracy by 29% through Alteryx workflow automation.
- Reduced SQL query execution time by 33%, boosting reporting efficiency.
- Increased data availability by 25%, enabling faster decision-making.
- Enhanced decision-making accuracy by 17% via BI dashboards for finance & HR.
Timeline
Senior Consultant
EY
Current - Current
Business Intelligence Engineer
Amazon
07.2020 - 03.2023
Associate
Delhivery
07.2019 - 06.2020
Associate
Nurtr
10.2018 - 05.2019
MBA - International Business
Jamia Millia Islamia, University
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