Resume
Santiago Díaz · Senior Manager, Data & Analytics · EY
Professional Summary
Data & Analytics leader with over 10 years of experience at EY, specializing in enterprise Data Strategy, Master Data Management (MDM), Data Governance, and modern data architecture. Extensive experience leading complex, multi-year data transformation initiatives spanning strategy, architecture, governance, and implementation. Proven ability to operate as engagement lead, solution architect, and delivery leader simultaneously, bridging business and IT to establish scalable, governed, and AI-ready data foundations.
Skills
Core Disciplines
Data StrategyData GovernanceMaster Data ManagementData QualityData ProfilingData ModelingCanonical ModelingData Architecture
Delivery
Program LeadershipAgile DeliveryScrum MasterExecutive FacilitationBusiness IntelligenceData WarehousingETLReporting & AnalyticsCloud Data Platforms
Technologies
Informatica MDM & IDQSAP ECC / S4SAP BWSalesforceBoomiPower BISnowflakeGoogle CloudOracle DBSQL ServerTeradataCollibraAxon
AI & Emerging
AI ReadinessAgentic AILangChain / LangGraphRAG PatternsClaude / OpenAI APIs
Experience
Senior Manager, Data & Analytics
Ernst & Young (EY)
- •Lead enterprise data strategy, MDM, and governance programs as engagement lead, solution architect, and delivery owner simultaneously — accountable for scope, roadmap, architecture, stakeholder alignment, and outcomes.
- •Architect and guide customer and financial data transformation programs from current-state assessment through future-state design, canonical modeling, API integration patterns, and governance framework implementation.
- •Facilitate executive and cross-functional workshops to translate business priorities into concrete roadmaps, data ownership structures, and architecture decisions across large, complex organizations.
- •Actively position data foundations for AI readiness — ensuring enterprise data is well-governed, well-modeled, and structurally suitable for advanced analytics, ML, and agentic AI use cases.
Manager, Advisory Services
Ernst & Young (EY)
- •Led end-to-end customer MDM transformation programs as engagement and solution architect — assessment, canonical data modeling, API-based integration (SAP, Salesforce, Boomi), governance framework design, and roadmap delivery across utilities, standards organizations, pharmaceuticals, and technology sectors.
- •Implemented Informatica MDM 10.4 for the customer domain — designed XML canonical and relational SQL data models, architected end-to-end Boomi integration flows, configured Informatica Data Director, and led SIT, UAT, and production deployment.
- •Designed enterprise data platform visions and phased delivery roadmaps covering regulatory, operational, and analytics requirements; defined system-of-record ownership, data quality standards, and governance accountability structures.
- •Led Finance MDM design and implementation — financial master data models, SAP BW and Anaplan integration, governance rules, validation logic, and stewardship workflows.
- •Facilitated multi-week global canonical modeling workshops across five geographic regions, delivering a single enterprise reference customer model that reduced cross-regional integration complexity.
- •Directed post-acquisition data integration strategy — identified systems, integration challenges, and master data alignment needs; delivered roadmap for platform unification and governance alignment.
Senior Advisory Consultant
Ernst & Young (EY)
- •Served as Scrum Master and project lead for supply chain and labor data products — dashboards, pipelines, and KPIs enabling operational teams to understand supply chain performance; managed backlog, sprint ceremonies, and Jira/Confluence delivery cadence.
- •Designed financial reporting architecture reconciling planning data with actuals — star schema model in Oracle DB, Power BI dashboard development, and hands-on resolution of data modeling and performance challenges.
- •Led data quality metrics definition and implementation using Informatica IDQ — identified critical data elements, defined thresholds and rules, and established monitoring and remediation processes for customer domains.
Staff Consultant
Ernst & Young (EY)
- •Technical delivery on data integration, MDM, and analytics programs — data modeling, ETL development, and platform configuration within enterprise advisory engagements.
- •Built foundational expertise in Informatica MDM, SAP-based data flows, and structured data delivery across multi-system environments.
Technical Product Manager / Systems Analyst / Process Analyst
Telecommunications Industry
- •Led billing, revenue management, and process improvement initiatives across a high-volume telecommunications operation.
- •Managed teams of up to 17 people; improved delivery productivity and reduced error rates through structured process controls.
- •Delivered high-volume operational configurations, system enhancements, and cross-functional process redesign programs.
Education
New York University
M.S. in Management and Systems
Universidad de las Américas Puebla
B.S. in Industrial Engineering
Texas A&M University
Exchange Program
Languages
Spanish— Native
English— Bilingual
German— Basic