A trailblazer in the e-invoicing space, Hans co-founded Tickstar, an e-invoicing infrastructure provider that was acquired by Xero in 2021. From 2017 to 2021, he took the reins as the elected leader of Peppol's eDelivery Community while also serving on its Managing Committee, steering the Peppol Network — a global standard for securely and compliantly transacting business documents — through a pivotal phase of transformation and expansion.

With an M.Sc. in Industrial Engineering earned from both Luleå University in Sweden and Hamburg Technical University in Germany, Hans blends a robust technical foundation with a knack for driving innovation in the digital invoicing space.

Ola is the technical backbone of Arratech, bringing over two decades of deep experience in solution architecture, full-stack development, and UX innovation. As our CTO, he ensures that our software not only works flawlessly but is intuitive, secure, and scalable from day one.

Before Arratech, Ola architected EV charging platforms at EPSpot, built high-performance solutions for companies like ASSA ABLOY and Ericsson, and even founded a startup in the media space—proving his knack for turning ideas into real-world products.Whether it's Google Cloud or AWS, Swift or NodeJS, Ola's toolbox is vast and battle-tested. He's led award-winning IPTV projects, contributed to W3C web standards, and holds patents in UX and media technologies. With Ola at the helm, users can count on a rock-solid experience —whether you're deploying a Service Metadata Publisher, rolling out new access points, or integrating with national eDelivery systems.

When we say "engineered for reliability," that's Ola's signature.