Manager

MARY MAILLIS

EXECUTIVE PROGRAM & PRODUCT LEADER DATA, AI & TECHNOLOGY TRANSFORMATION

703-***-**** ***********@*****.*** www.linkedin.com/in/mary-maillis

EXECUTIVE PROFILE

Executive-level technology, data, product, and program leader with 13+ years at Ernst & Young (EY), progressing from Consultant to Senior Consultant to Manager while leading increasingly complex enterprise transformations across financial services. Combines program governance, product ownership, data strategy, cloud modernization, regulatory reporting, financial crimes technology, information governance, and applied AI enablement. Trusted to translate ambiguous business and regulatory priorities into executable roadmaps, operating models, technology solutions, and measurable outcomes across business, engineering, architecture, security, data, risk, compliance, legal, and executive stakeholders.

EXECUTIVE LEADERSHIP & CORE COMPETENCIES

Enterprise Transformation Program & Portfolio Leadership Product Management & Product Ownership Data Strategy & Governance AI Enablement & Microsoft Copilot Cloud & Platform Modernization Financial Crimes & Fraud Technology Financial & Regulatory Reporting MDM / Data Quality / Metadata Operating Models & Governance Agile / SAFe Delivery Change Leadership Executive Stakeholder Management Risk, Issues & Dependency Management Roadmaps & Business Cases Cross-Functional Team Leadership

PROFESSIONAL EXPERIENCE

ERNST & YOUNG (EY) — Technology Consulting / Data & AI

2013–2026

Manager

2020–2026

• Advanced into EY management after progressive consulting roles, assuming accountability for enterprise programs, product strategy, client relationships, delivery governance, team leadership, and executive communications across complex financial-services transformations.

• Led multi-year and multi-workstream programs spanning cloud platforms, enterprise data, financial and regulatory reporting, information governance, AI readiness, financial crimes, and operating-model transformation; managed 6 direct resources and coordinated 20–30+ cross-functional stakeholders.

• Established program and product governance through roadmaps, steering forums, RAID management, dependency tracking, release planning, executive dashboards, decision frameworks, and production-readiness controls.

Selected Manager-Level Leadership & Impact

• Financial Crimes Product & Program Leadership — Served as Product Owner / Program Manager for a cloud-based case-management modernization at a Government-Sponsored Enterprise (GSE), directing two Agile teams and end-to-end delivery across product, engineering, UX, architecture, security, data, risk, compliance, and operations.

• Owned product vision, roadmap, backlog, user stories, acceptance criteria, UAT, release planning, data migration, integrations, and production readiness; developed 250+ user stories and supported migration of historical fraud investigations.

• Enterprise AI & Information Governance — Led Microsoft Purview content-governance and AI-readiness program for a Fortune 500 financial-services organization, establishing taxonomy, metadata architecture, policies, operating procedures, governance playbooks, controls, and metrics supporting Microsoft Copilot adoption.

• Migrated 158 sensitive-information classifiers into 15 production Sensitive Information Types and led validation identifying approximately 25.8 million sensitive-data occurrences, creating a foundation for remediation, compliance, and secure enterprise AI use.

• Financial & Regulatory Reporting Transformation — Served as Program Management Technical Lead within a GSE Investments & Capital Markets transformation office, directing modernization of reporting platforms, data integration, financial controls, and regulatory capabilities across Finance, Risk, Data Engineering, Architecture, Product, and Software Engineering.

• Enterprise Data Platform Modernization — Defined data integration strategy and target-state architecture for a Top 20 U.S. bank, including a multi-year roadmap to transition legacy repositories to AWS/Snowflake and establish scalable data marketplace, governance, metadata, and analytics capabilities.

• Acquisition & Data Integration — Oversaw approximately 20 onshore/offshore resources supporting post-acquisition data migration and integration for a systemically important financial institution, coordinating dependencies, data quality, controls, and stakeholder alignment.

Senior Consultant

2016–2020

• Expanded from hands-on analysis into workstream leadership, solution design, client advisory, and delivery management for enterprise data, finance, regulatory, and technology transformation programs.

• Supported a $20M+ multi-year financial-systems transformation for a major federally chartered credit union implementing a new general ledger, Accounting Rules Engine, chart of accounts, data architecture, reconciliation, and downstream reporting capabilities.

• Led assessment of downstream consumers, future-state chart-of-accounts mappings, data sourcing, roadmap gaps, and transition requirements, connecting finance-process change to technology and data architecture.

• Delivered data governance, information governance, regulatory lineage, controls, data-loss-prevention, and data-management roadmap initiatives for major U.S. financial institutions; facilitated business/technology workshops and translated regulatory needs into actionable requirements and governance structures.

• Led and supported Agile delivery activities including requirements, process analysis, user stories, testing, UAT, implementation planning, stakeholder communications, and executive-ready recommendations.

Consultant

2013–2016

• Built foundational consulting expertise in business analysis, data and reporting, regulatory transformation, process improvement, testing, and technology delivery for financial-services clients.

• Supported regulatory data lineage and controls initiatives, including FR Y-14-related reporting requirements, by documenting data flows, business rules, source-to-report dependencies, and control considerations.

• Partnered with business and technology teams to analyze current-state processes, define requirements, identify gaps, support testing, and implement enterprise change—establishing the delivery discipline that enabled progression to Senior Consultant and Manager.

SELECTED ENTERPRISE IMPACT

• Progressive leadership: Consultant, Senior Consultant, Manager over 13+ years at EY, with increasing responsibility for strategy, delivery, governance, teams, client relationships, and executive decision support.

• Program scale: Led and supported multimillion-dollar, multi-year transformations with up to 50+ stakeholders and multiple concurrent workstreams across highly regulated financial-services environments.

• Product delivery: Directed cross-functional product delivery across two Agile teams, integrating business, technology, risk, compliance, security, architecture, data, and user-experience priorities.

• Governance & AI readiness: Built reusable governance frameworks, playbooks, metadata models, controls, and executive reporting supporting enterprise data protection and responsible AI/Copilot adoption.

• Data & regulatory transformation: Modernized reporting, data integration, cloud platforms, governance, and financial-crime capabilities while maintaining regulatory alignment, data quality, and business continuity.

EDUCATION & CREDENTIALS

Bachelor of Science in Finance, University of Dayton

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