Meet the team


We are a venture-backed team of finance experts and engineers with a deep culture of excellence and collaboration. We believe in people first and pride ourselves on having set the foundations for an excellent internal culture of honesty, transparency and innovation.

Why Mast?

At Mast, we understand the challenges lenders face in today’s fast-paced market. We're reimagining and reshaping the lending process bottom-up with big ideas and smarter technology.

Our loan origination platform is designed to help you overcome these challenges by providing the speed, flexibility, and support you need to succeed.

Engineering & Product expertise

Product and Management teams have experience in Digital Banking, Consumer Finance, Mortgage Lending, Commercial Banking, and Capital Markets. Our engineers have previously worked for industry-leading fintechs and cloud computing companies. They have a wide range of skills that allow us to build slick, stable and secure technology.

Invested in your growth

We work with clients as partners. Our revenue model is directly tied to their performance, meaning we share both the upside and the downside. We also work collaboratively with our clients and maintain an open dialogue about your requirements. You win, we win.

Fast implementation timeline

We build and iterate quickly, using extensive automated testing to prevent defects, regularly pushing to production, and offering a multi-tenant SaaS product.

Customer experience

We work collaboratively with our partners and clients, and value transparency. Our spotlight on customer feedback ensures we’re as efficient as possible.

Core values

We are guided by eight core values

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Principles First

No matter the circumstances, our principles are our north star. They guide us to become the best we can be and help us make decisions.

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People

Customers or employees, and people always come first. We are at the service of people, always.

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Integrity

Always do what is right and what is best for everyone. We succeed as a team.

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Candid Feedback

At Mast, anyone can voice their opinion and say when things could improve, with the aim of assisting.

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Self-Awareness

We are all humans, nobody knows everything – and that should never be a limiting factor. It's okay to make mistakes, as long as you ask for help and want to learn.

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Reliability

We invest heavily in infrastructure, design and great service. Trust and reputation is a pillar of our identity.

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Honesty & Transparency

We provide a safe and open environment. We rely on truthful and transparent communication to ensure that the best ideas win.

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Pursuit of Excellence

Everything we do, we do well or we don’t do at all. Excellence is in the process and in the details, the rest will take care of itself.

Interested in joining the team?

Learn more about our open roles and what we offer our employees.

Careers

Meet the Leadership Team

Joy Abisaab
Chief Executive Officer

Joy is a seasoned technology and investment professional, formerly an equities and derivatives trader turned entrepreneur. With expertise across capital markets, private equity, and software, he combines strategic vision with deep industry insights to lead transformative initiatives.

Rob Stronach
Chief Client Officer

Rob brings deep industry insights, with expertise across retail and corporate banking, including product management, risk management, fund finance and mortgage lending. His roles required cross-functional collaboration between product, credit risk, and legal teams.

Diego Rivas
Head of Product

Diego brings a wealth of Product expertise in tech startups: he was Head of Product at Curve, where he scaled the team and led major product growth, and was the sole Product Manager at construction SaaS startup BaseStone. He also founded a blockchain-focused product studio and holds two utility patents.