About Us

Transforming bold visions into lasting impact.

We combine strategic expertise with creative execution to help your business navigate complex challenges. We bridge the gap between where you are and where you want to be.

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We have spent our careers solving complex risk problems.

Realta is the result.

Our team has worked across fraud prevention, AML, payments, product development, engineering, and machine learning. We’ve seen firsthand what happens when data, teams, and decisions are disconnected—and what’s possible when they work together.

Headquartered in Ireland and operating globally, Realta combines deep industry expertise with modern technology to help organizations make decisions with great context, consistency, and confidence.

Image of a fortified castle with stars above
Image of a fortified castle with stars aboveImage of a fortified castle with stars above

Why we chose the name Realta

The name Realta comes from the Irish word for "star." 

It is also our purpose: to bring clarity to an industry filled with complexity, where risk teams work with disconnected systems, incomplete information, and black-box logic.

In our logo, the star becomes a portcullis, a symbol of security and control.

Together, they capture what we offer: greater visibility, hardened security, and better decisions.

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Built in Ireland. Designed for a global risk landscape.

Ireland has become one of the world’s leading financial technology hubs, bringing together expertise in payments, financial crime, software engineering, and data science.

While our main office is in Ireland, our team, experience, and perspective are global. We work across markets and regulatory environments to help organizations address increasingly complex risk challenges.

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Map of Ireland imageMap of Ireland image

Deep expertise. Multiple disciplines.

The challenges facing financial institutions do not fit neatly into a single discipline. Our team doesn’t, either.

Realta brings together experts in risk, fraud, payments, engineering, product development, and machine learning. Our combination of expertise helps us approach risk challenges from different angles and build better solutions.

The result? A broader perspective, deeper knowledge, and better understanding of how risk decisions are made across the full financial ecosystem.

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11 countries

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200+ years experience in fintech

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260+ years experience in product

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80+ years experience in machine learning

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Global perspective

Awards & Community

Inspiring Workplace 2025
AI & Analytics Team of the Year 2025
Team Summer BBQ 2025
CARI: Charity Partner 2026
LAW: Charity Partner 2025
Tidy Towns Clean Up 2024
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Leadership

Experts in risk, technology, and the systems that connect them.

Expert Governance for the Modern Risk Landscape.

Christopher Mascaro

General Manager

Christopher provides the strategic direction for the Realta platform. Holding a Ph.D. in Information Science, he has a distinguished track record of building and leading global teams to deliver high-stakes data solutions for government entities, major consultancies, and world-leading FinTech organizations.

Marisa O’Shea

Head of AI & Analytics

Marisa oversees the development of Realta’s predictive intelligence and automated decisioning layers. With specialized experience in financial crime and a background in leading the implementation of over 10 major AI-driven products, she ensures Realta’s models remain at the cutting edge of the industry.

Kevin Brosnan

Head of Product & Strategy

Kevin leads the evolution of Realta’s data-centric product suite. A PhD in Statistics, he has architected financial crime solutions that have delivered over $100M in annual savings for global enterprises through optimized fraud and risk controls.

Emerson Gomes

Head of Engineering

Emerson manages the high-performance engineering team responsible for Realta’s API-first architecture. He ensures the platform’s modular backend—built on secure AWS infrastructure—maintains the sub-second latency and sub-500ms decision speeds required for modern global commerce.

Stefani Ostrom

Head of Sales

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See Realta in Action.

Learn how organizations are using Realta to reduce complexity, improve visibility, and make better risk decisions.

Request a Demo