Resume

Santiago Díaz · Senior Manager, Data & Analytics · EY

personProfessional 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.

boltSkills & Expertise

insightsCore Disciplines

Data StrategyData GovernanceMaster Data ManagementData QualityData ProfilingData ModelingCanonical ModelingData Architecture

settings_suggestDelivery

Program LeadershipAgile DeliveryScrum MasterExecutive FacilitationBusiness IntelligenceData WarehousingETLReporting & AnalyticsCloud Data Platforms

terminalTechnologies

Informatica MDM & IDQSAP ECC / S4SAP BWSalesforceBoomiPower BISnowflakeGoogle CloudOracle DBSQL ServerTeradataCollibraAxon

psychologyAI & Emerging

AI ReadinessAgentic AILangChain / LangGraphRAG PatternsClaude / OpenAI APIs

workExperience

Senior Manager, Data & Analytics

Ernst & Young (EY)

2025 — Present
  • •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)

2019 — 2025
  • •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.

Senior Advisory Consultant

Ernst & Young (EY)

2016 — 2019
  • •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.
  • •Designed financial reporting architecture reconciling planning data with actuals — star schema model in Oracle DB, Power BI dashboard development.
  • •Led data quality metrics definition and implementation using Informatica IDQ — identified critical data elements, defined thresholds and rules.

Staff Consultant

Ernst & Young (EY)

2015 — 2016
  • •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

Telecommunications Industry

2010 — 2013
  • •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.

schoolEducation

M.S. in Management and Systems

New York University

Graduated with distinction

B.S. in Industrial Engineering

Universidad de las Américas Puebla

Exchange Program

Texas A&M University

translateLanguages

SpanishNative
EnglishBilingual
GermanBasic