Building a Robust Data Foundation with Snowflake and Medallion Architecture

About the Client:

A global event management leader, the client orchestrates thousands of conferences, trade shows, and corporate events annually. Their success hinges on understanding attendee behavior, optimizing experiences, and demonstrating ROI to sponsors—powered by data.

Background:

With rapid growth in digital engagement and data sources—ticketing systems, event apps, CRMs, surveys—the client’s fragmented, on-premise infrastructure couldn’t keep up. Data silos, and manual wrangling delayed insights, hampering real-time decision-making during live events and limiting their ability to scale analytics.

Challenge:

  • Siloed & Inconsistent Data: Disconnected systems and varied definitions eroded trust in reports.
  • Limited Scalability: Existing setup couldn’t handle data growth or event spikes, causing slowdowns.
  • Poor Data Quality: Flawed ingestion led to errors, duplicates, and unreliable insights.
  • Analytics Bottlenecks: Real-time and predictive analytics weren’t feasible due to fragmented data.

Manual Overhead: Engineers spent more time fixing data than generating insights, delaying outcomes and increasing costs.

Solution:

To overcome these hurdles, we designed and implemented a modern, scalable data foundation using Snowflake as the core platform, structured around a Medallion Architecture.

Phase 1: Bronze – Raw Ingestion

  • Centralized Lake: Snowflake became the unified data lake for all data types.
  • Automated Pipelines: Fivetran, Snowpipe, and custom scripts ingested data from CRM, ERP, event apps, and more into a raw zone.

Phase 2: Silver – Cleaned & Conformed

  • Data Standardization: ELT in Snowflake cleaned, de-duplicated, and standardized records.
  • Unified Schema: Core entities (Attendee, Event, Sponsor) were normalized across sources.
  • Trusted Layer: Enabled consistent, reconciliation-free access for downstream teams.

Phase 3: Gold – Business-Ready

  • Curated Marts: Built for key use cases like Event ROI, Segmentation, and Performance.
  • Faster Queries: Materialized views and clustering improved BI performance.
  • Integrated Access: Supported Tableau, Power BI, and advanced analytics seamlessly.

Outcome:

The impact was significant—both technically and culturally.

  • Snowflake provided a single source of truth consolidating attendee, sponsor, and engagement data, eliminating inconsistencies across global teams.
  • Real-time data empowered ops teams to adjust staffing, signage, and layouts instantly during events.
  • Auto-scaling handled traffic spikes during major events, ensuring smooth performance without manual intervention.
  • Centralized data enabled ML models for personalization, pricing, and turnout forecasting, improving experience and revenue.
  • With fewer data issues, teams focused on improving sponsor ROI, campaign planning, and audience targeting.

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