MASTIX

About

Why MASTIX exists

If you can't explain why a risk number changed, can you really trust it? Risk teams shouldn't have to wait overnight to understand a number they need to defend today.

The problem we saw

Most risk platforms grew into siloed systems that can produce reports, but struggle when teams need ad-hoc analysis, explainability, or answers fast enough to support real decisions.

Why we started

We had seen first-hand how outdated architectures slow down treasury, ALM, and derivatives teams. Instead of layering more features onto that foundation, we started from scratch and built a new analytical engine.

Why the industry fell behind

Analytics improved dramatically in many industries, but banking risk systems often remained tied to overnight batches, fragmented tools, and limited drill-down. The complexity is real, but the bottleneck is usually the architecture.

Risk calculations are complex. They do not have to stay slow, opaque, and difficult to explain.

What we built instead

We built the platform around one idea: valuation, sensitivities, scenarios, and attribution should come from the same analytical foundation.

One analytical foundation

One engine for valuations, sensitivities, scenarios, and attribution instead of separate analytical layers.

Performance that changes workflow

Fast enough for interactive scenario analysis and desk-level exploration, not only overnight processing.

Explainability by design

Every result can be traced, audited, and understood because the explanation stays connected to the calculation.

Built for real governance

Designed for IRRBB, stress testing, audit, model governance, and the practical questions teams face in committees.

What we believe

Risk analytics should be fast enough to guide decisions and transparent enough to defend them. Teams should not have to choose between performance and explainability.

Who is behind it

MASTIX is led by two co-founders with deep backgrounds in derivatives, capital management, quantitative modeling, and financial software.

Jens Svensson

CEO & Co-Founder

Jens Svensson

Former derivatives and capital management specialist with a PhD in mathematics and two decades of experience in financial markets, risk modeling, and analytics.

Fredrik Hesseborn

Co-Founder

Fredrik Hesseborn

Former Head of Model Development with over two decades of experience in quantitative risk and capital modeling across fixed income, equity derivatives, and banking.

Based in Stockholm, Sweden, MASTIX builds for institutions that need risk workflows to be faster, more transparent, and more operationally useful.

Talk to the team behind the platform

If your current setup makes scenarios slow or explanations hard, we can show you a different way to work.