Aaron W.

Product Director

United Kingdom9 yrs 7 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Led fraud prevention strategies protecting billions of users.
Pioneered ML systems reducing account takeovers by 72%.
Expert in crafting secure digital experiences.

Stackforce AI infers this person is a Fintech expert specializing in fraud prevention and product management.

Contact

Skills

Core Skills

Product StrategyFraud PreventionAccount SecurityProduct ManagementPrivacy ManagementProduct IntegrityIdentity ManagementConversion Optimization

Other Skills

Machine LearningData AnalysisStakeholder ManagementMarketingA/B TestingLarge Language Models (LLM)Revenue & Profit GrowthRisk ManagementDesignResearch SkillsUser Experience (UX)Project ManagementTeamworkAnalysisTeam Leadership

About

I am the Product Lead for Fraud Prevention and Trust & Safety, where we are on a mission to ensure Wise and our Customers cannot be harmed across Fraud, Scams and Account Takeovers. The teams within my remit own the development of leading ML detection capabilities, risk-based dynamic controls plus efficient and effective operational tools & automation to mitigate harm to the business and our customer base without sacrificing growth and UX. I work with a cross-functional team of Data Science, Product, Engineering, Operations, Compliance, Design, Legal and Privacy stakeholders, and manage multiple PMs. I am passionate about crafting secure digital experiences by leveraging customer first design principles, and I specialise in Security, Identity, Trust, and Fraud Prevention. I have delivered impactful features protecting billions of users and transactions at Meta, Wise, and Just Eat, using a blend of technical expertise and user behaviour insights. My goal is to enhance trust and safety in the digital space.

Experience

9 yrs 7 mos

Total Experience

3 yrs 2 mos

Average Tenure

4 yrs 8 mos

Current Experience

Wise

4 roles

Product Director, Global Fraud & Scam Prevention

Promoted

Dec 2025 – Present · 4 mos

Responsible for Wise’s Fraud Prevention product strategy and delivery. Led a 300+ person organisation across Product, Engineering, Data Science, Analytics, Design, Research, Compliance, Operations, and Threat Intelligence.

Product StrategyFraud Prevention

Group Product Manager, Fraud & Scam Prevention

Promoted

Feb 2023 – Dec 2025 · 2 yrs 10 mos

I lead Fraud Product and Strategy at Wise. My teams cover Fraud Prevention, Trust & Safety, Fraud Handling, and Threat Intelligence - bringing together Product, Engineering, AI/ML, Design, Research, and Analytics to protect both Wise and our global customers from scams, fraud, and unauthorised access.
We design and scale the systems that detect, prevent, and respond to fraud in real time, while keeping the experience seamless for genuine users. I also shape Wise’s overall fraud and victim prevention strategy, working closely with Risk, Compliance, and Operations.

Product StrategyFraud Prevention

Principal Product Manager | Product Security & Account Access

Promoted

Mar 2022 – Feb 2023 · 11 mos

Led and was responsible for the Account Integrity domain at Wise, focused on safeguarding customer accounts, enabling secure access and recovery. My team was responsible for balancing customer experience with strong security, ensuring clients could access and protect their accounts with minimal friction. Led a cross functional team consisting on Data Science, Engineering, Analytics, Design, Operations and Compliance.
Scope & Responsibilities:
Led two sub-domains:
1. Client Account Access & Recovery: Ensured seamless login, reactivation, and recovery experiences to reduce churn and drive activation
2. Account Security: Developed preventative and responsive controls to detect and block Account Takeover (ATO) attempts, balancing security with a seamless experience for customers.

Account SecurityProduct Management

Senior Product Manager | Product Security

Aug 2021 – Mar 2022 · 7 mos

Just eat takeaway.com

3 roles

Sr. Product Manager | Identity & Protection

Promoted

Sep 2018 – Feb 2021 · 2 yrs 5 mos

Found the Identity & Protection product area at Just Eat Takeaway. Leading three teams on a mission to keep customers, and their data, safe from harm whilst balancing the needs for fast, seamless authentication onto the platform.
Additionally responsible for line management & career development of Associate Product Managers.
Key Achievements:
Pioneered the integration, design, development and successful launch of an authentication threat-detection ML that leverages device-specific data, combined with deep-web data to automatically identify and block malicious login attempts without impacting customer usability. Launch of ML reduced successful account takeovers by 72%.
Implemented a suite of threat mitigation tools which increased efficiency of security operations team by 27%, saving over 550 hours of development time in a six-month time-frame.
Worked alongside internal & external Security, Legal & Risk teams, in combination with Product Designers & internal stakeholders to discover, design and develop a roadmap of security features which protects Customers, Restaurants and Delivery partners from unauthorised access, ensuring their data and information remains secure.
Responsible for establishing Identity & Protection Product vision, strategy ,OKRs, KPIs,roadmap and delivery in a FTSE50 organisation, balancing the needs of platform UX and Security practises for millions of customers, Restaurants and Delivery Partners, across 13 countries on the customer facing apps on Web, iOS & Android.

Identity ManagementProduct Strategy

Product Manager | Customer Conversion

Sep 2017 – Sep 2018 · 1 yr

Responsible for generating multi-million GBP profit through leading Product teams focussing on conversion optimisation through eliminating pain points across core flow of the product, in addition to leading the in-product, post-GDPR, marketing functionality.
Key Highlights
Implementation of post GDPR opt-in strategy, responsible for a 110% increase in marketable audience and multi-million revenue uplift
Grew global orders by 27.6%, generating over £102m in additional revenue by implementing Guest Checkout across Just Eat, Takeaway.com & SkipTheDishes platforms
Prioritising feature development using Weighted Shortest Job First (WSJF) and other prioritisation frameworks
Working with the development teams to break down extensive EPICs into small outcome-driven user stories
Creating wireframes and prototypes to aid workshops and feature development
Communicating roadmap progress to business stakeholders through compelling storytelling & demonstrations
Setting and monitoring high-level performance OKRs
Using data and market analysis to uncover areas of opportunity and maintain a prioritised outcome-driven discovery roadmap
Launching A/B and multi-variant tests and using data to determine effectiveness on primary and secondary metrics
Assessing commercial viability and monitoring impact of features deployed into production by I&P teams
Delivering positive outcomes from small feature optimisations through to significant cross-team feature & process implementations
Managing feature delivery expectations using MonteCarlo and other delivery methodologies
Leading and motivating I&P development teams and other cross-functional representatives