Summary
Overview
Work History
Education
Accomplishments
Interests
Timeline
Awards
Training
Generic

Tanuja Joseph

Summary

Dynamic executive leader with over 25 years of extensive experience in consulting and banking, specializing in enterprise and solution architecture to drive business-aligned technology outcomes. Expertise in influencing strategic transformations through scalable, modern platforms, currently overseeing architecture for Corporate & Institutional Banking and Business & Private Banking, managing 14 business domains. Proven track record of fostering strong stakeholder relationships and delivering multi-year executable roadmaps focused on legacy decommissioning and simplification while leading a high-performing team of 80 architects across multiple regions. Deep knowledge in enterprise architecture across people, processes, technology, and data enables the resolution of complex challenges to achieve strategic objectives.

Overview

2026
2026
years of professional experience

Work History

Executive Architecture

National Australia Bank
01.2023 - Current
  • FY25 Delivery: Delivered 896 Epic Architecture designs, enabling 6,847 TMS points, and supporting legacy app decommissioning across C&IB and B&PB.
  • FY26 Planning: Shaped 14 strategic roadmaps, influencing investment tilt and enabling retirement of 23 legacy systems (TMS 3166). Led the architecture for Trade Reporting, Comms Surveillance, and Lending Platform convergence, ensuring unified onboarding and compliance across product types.
  • Platform Architecture & Simplification -Spearheaded the Platform-first strategy for B&PB and C&IB, building reusable capabilities across segments while respecting distinct journeys.
  • Information Architecture & Data : Aligned business delivery to NAB’s enterprise data strategy by driving adoption of the Data Lake, securing funding for ingestion of 20 source systems. Shifted the approach from purchasing external vendor products to leveraging incumbent data assets, articulating the value proposition to stakeholders and enabling more strategic, cost-effective use of NAB’s data ecosystem. contributing to the uplift of information architecture framework.
  • Delivered the Enterprise Lending Product Origination architecture with a multiyear roadmap to exit 20+ legacy systems including Siebel eBL, LOIS, and AUSTIN.
  • Adoption of AI & Digital Enablement : Embedded AI into credit analysis, onboarding, and sentiment tracking across C&IB, with over 1,600 Copilot users onboarded.
  • Led the Digital Onboarding Experience strategy, aligning C&IB with NAB’s Single Digital Front Door and integrating biometric, SSO, and document automation.
  • Customer & Banker Experience : Defined the Leads Architecture to drive $16bn in incremental deposits and improve banker advocacy through data-driven insights.

People & Leadership

  • Mobilised NIC/NICV resources, achieving 30% right-shoring, with 26 NICX roles filled and 14 more in pipeline.
  • Strengthened leadership by appointing: Head of Architecture, C&IB, Head of Architecture, Digital, Market Lead Domain Architect.
  • Resourcing, retentions within budget.
  • Uplifted team capability by training members in executive-grade architecture storytelling and shaping material topics for CIO presentations.
  • Women in Tech / Empower Program – Speaker / Presenter to coach and mentor emerging leaders/ women in Tech
  • Governance & Collaboration – solution governance and tech council governance member

Key Deliverables

  • Enterprise Target State Architecture: Blueprint of future-state capabilities, platforms, and integrations.
  • Architecture Roadmaps: Time-phased plans aligned to strategic priorities and investment cycles.
  • Principles & Standards: Patterns and decision trees to guide solution design and technology choices.
  • Capability Models: Business and technical capability maps to inform planning and prioritisation.
  • Architecture Assessments: Evaluations of solution fit, risk, and alignment to target state.
  • Technology Strategy Papers: Positioning documents on cloud, data, integration, etc.
  • Governance Artefacts: Review outcomes, exceptions, and Tech Council governance, defining CIO roles and guardrails for cross-domains.
  • Led cross-functional teams to implement strategic initiatives enhancing operational efficiency.

Head of Architecture

National Australia Bank
2021 - 01.2023
  • Leadership & Team Management - Led a team of 23 architects delivering target state architecture for a $400M Personal Bank investment portfolio. Mobilised a 40-person architecture team for the Edge program, establishing operating rhythms and solving cross-domain challenges (e.g. Customer sync, API design, Rewards & Loyalty).
  • Strategic Architecture & Roadmaps- Influenced cross-domain investment planning and led the development of Business Domain Roadmaps, including APRA roadmap completion across all PB domains to deliver 300M business outcomes. Actively shaped sales and servicing roadmaps, focusing on Siebel and eBobs hollow to meet Regulatory action item.
  • Governance & Technical Strategy -Governed 421 epic architectures for PB and 64 for Edge, enabling delivery of 2200+ customer features in 2022. Used Tech Mod Scores (TMS) and tech debt metrics to drive strategic alignment and legacy decommissioning.
  • Risk & Compliance - Supported PB CIO with TMS monitoring, risk papers, and other CIO office activities. Led interim solution to minimise customer data risk in Salesforce.
  • People & Culture- Achieved highest People Leader score for 4 consecutive quarters (95–100%). Promoted gender balance in leadership recruitment (2 female, 2 male Lead Domain Architects) and advanced 3 solution designers into S&A roles.
  • Thought Leadership- Contributed to Platform Mindset strategy, including credit decisioning hypothesis. Influenced TECH strategy, offshore strategy, and architecture practice development through S&A materials and TSA evolution.

Enterprise Architect

National Australia Bank
2013 - 2021

Strategic Leadership & Architecture

  • Acted as Head of Architecture (HoA) for 8+ months while serving as Enterprise architect Architect leading a team of 5 architects
  • Member of the executive working group shaping C&IB digital and data strategy.
  • Trusted advisor to C&IB Group Executives’ leadership team, influencing investment direction and strategic CRM initiatives.

Major Programs

  • Corporate Finance (Aphelia/Aurora, Distribution & Syndication): Developed multi-year roadmaps and influenced business case and execution of the C&IB Lending Platform.
  • C&I Engagement Domain (Onboarding / Fenergo): Shaped architecture aligned to business-centric design and target state.
  • FinCrime & AML Onboarding: Analysed complex cross-border processes, identified cost avoidance opportunities, and scoped AML roadmap.
  • Small Business Lending & Trader Surveillance: Delivered target state architecture across three programs; led RFI for surveillance solution.
  • CARDS Platform: Pioneered reference architecture adopted across zones; led roadmap with commercial simplification focus.
  • SAP/ARIBA P2P Procurement: Reshaped NAB’s procurement business, led vendor engagement, prioritisation, and benefits realisation.
  • CYB/NAB M&A (3rd Party Clearing): Led end-to-end architecture for UK separation, enabling target state delivery under tight timelines.

Deliverables

  • Enterprise Target State Architecture: Blueprint of future-state capabilities, platforms, and integrations.
  • Architecture Roadmaps: Time-phased plans aligned to strategic priorities and investment cycles.
  • Capability Models: Business and technical capability maps to inform planning and prioritisation.
  • Architecture Assessments: Evaluations of solution fit, risk, and alignment to target state.

Business Solutions Lead

National Australia Bank
2008 - 01.2013

Basel III Program

  • Led the end-to-end business solution and data flow design for Risk Weighted Asset (RWA) calculations, managing a team of five analysts and asset/process teams. Defined the Target Operating Model to embed Basel III changes with consulting support, and served as a trusted adviser and Project Advisory Board member, supporting project sponsors.


ECRS Re-platforming Project

  • Drove strategic positioning and business case development for the Electronic Application for Lines of Credit (eALoC) – Version 1. Led a team of five to deliver a multi-year roadmap, creating high-level scope, epics, and detailed user stories using Agile. Proposed solution options with process, cost-benefit, and risk analysis. Managed vendor engagement through RFI and POC processes. Acted as a trusted advisor and thought leader across planning, prioritisation, solution selection, testing, training, and deployment. Facilitated estimation and iteration planning with business stakeholders.


CASS / CARE Remediation Project

  • Led Agile-based requirements elicitation, impact assessment, and UAT to deliver platform remediation for the CASS and CARE System (Project Finance). Shaped the solution and business case for new credit risk models in collaboration with Standard & Poor’s, and defined system interactions and impacts with SMEs, architects, and stakeholders.


Management Consultant

IBM AUSTRALIA
01.2000 - 01.2007

Led a team of 5 Business Analysts across multiple business units, driving workshop facilitation and requirements gathering. Reengineered processes in Home Security and CLUB units to eliminate operational bottlenecks. Documented business requirements and impact assessments using Adaptive ESP and consulting prioritisation methods. Facilitated workshops to assess the financial and customer experience impact of lacking a Single Customer View (SCV), applying IBM’s SCV Maturity Model to shape CRM strategy and roadmap. Conducted strategic analysis of Siemens’ contact centre using IBM’s Capability Maturity Model, identifying gaps and recommending improvements. Led system testing for Documentum’s global rollout at PwC, defining comprehensive testing and functional requirements. Managed IBM’s RFT/RFP responses and provided technical support and training for eWFM software in call centre environments.

Education

Bachelor of Business Systems - Information systems

Monash University
01-2000

Accomplishments

  • Enterprise Transformation Leadership: Orchestrated end-to-end architecture for NAB’s largest transformation programs, including EDGE (CitiBank Nab Merger) , Corporate Finance & Business Bank Lending Platform, and Digital Onboarding for Deposits , Distribution & Syndication Platform.
  • Executive Stakeholder Influence: Collaborative Engagement with C-suite executives to shape technology investment priorities and align architecture outcomes with business vision.
  • Culture & Talent Development: Built a high-performance culture through architecture storytelling, coaching, and targeted development programs. ( Women in Tech / Empower Women Program panelist)
  • Cross-Domain / boarder Collaboration: Effectively leads cross-functional teams across Australia, India, and Vietnam to deliver complex, multi-domain solutions.
  • Strategic Vendor Partnerships: Partnered with PwC, Deloitte, BCG, and Bain to co-create technology startegy, roadmaps and customer journey transformations.

Interests

  • Music - (Performing Musician)
  • Badminton

Timeline

Executive Architecture

National Australia Bank
01.2023 - Current

Management Consultant

IBM AUSTRALIA
01.2000 - 01.2007

Head of Architecture

National Australia Bank
2021 - 01.2023

Enterprise Architect

National Australia Bank
2013 - 2021

Business Solutions Lead

National Australia Bank
2008 - 01.2013

Bachelor of Business Systems - Information systems

Monash University

Awards

  • Women in Banking and Finance National Industry Award Finalist 2024,
  • nab honouree winner - 2018,
  • CRO Award - 2013

Training

  • FINSIA Professional Banking Fundamentals (CQIB) - Completed.
  • Scaled Agile Framework – certified (SaFe) trained
  • TOGAF certified
  • Completed “Agile Master Class” in Project Management (Thought works certified)
  • Completed Cloud (AwS) – Foundations.
  • NAB Authentic leadership Program (1 year program)
  • Distinctive Leadership Program – Completed
  • Diploma in Data Processing Management (IDPM), UK.
  • Certification in Integrated Business Systems SAP R/3 – Sapient College & Monash University
  • Applying Skills in Project Management Environment – IBM Learning Services
  • Certification in e-Workforce Management (eWFM) Product – ASPECT Communications Pty Ltd Australia.
  • Certification in Tibco-iProcess workflow management tool
  • Preliminary Analysis and Design (Business Analysis)
  • Completed Signature Selling Methods course - IBM Learning Services
  • Completed Writing successful & Winning proposals course - IBM Learning Services
  • Completed Think on Your feet course - IBM Learning Services
  • Completed Conflict Management Course- IBM Learning Services
  • Trained in Websphere Business Modelling tools
  • Trained in Rational Requisite PRO & Rational Robot tools
  • Visio, Microsoft tools, Jira & Confluence tools
Tanuja Joseph