// the people behind the tools
A small team with a big footprint. We build the mutation testing tools that harden software in every major industry — from the open-source foundation of PiTest to the enterprise power of ArcMutate.
CO-FOUNDER
Mark leads Cloud Development Group, bringing enterprise-grade mutation testing to organisations across banking, automotive, healthcare and beyond. He focuses on the commercial partnerships and growth that put rigorous testing within reach of every serious engineering team.
CO-FOUNDER · CREATOR OF PITEST & ARCMUTATE
Henry created PiTest, the world's most widely used mutation testing system for Java and the JVM, and leads the engineering behind ArcMutate. For more than a decade he's pushed mutation testing from a research idea into everyday practice for teams shipping software that has to work.