Connecting applications is just the beginning

Your trusted partner for interoperability

interop.io helps financial institutions connect the applications, data, and workflows their teams rely on every day. Our platform, io.Connect, brings web, native desktop, legacy, third-party, and AI-enabled applications into one coordinated user experience.

We help clients modernize complex technology environments without replacing the tools that already work — creating a stronger foundation for automation, AI, and the future of work.

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Built for the future of financial application platforms

interop.io is trusted by leading banks, asset managers, brokers, and financial technology providers to power mission-critical application experiences across the enterprise. Built from the merger of Glue42 and Finsemble, our team brings deep expertise in interoperability, user experience, workflow automation, and open standards.

As a long-standing contributor to FDC3 and the FINOS community, we help firms build connected, flexible, and governable environments where applications can work together across desktop, browser, cloud, and distributed systems.

Our Values at interop.io

At interop.io, our values guide how we work together, support our clients, and keep improving. They reflect our commitment to collaboration, accountability, open communication, and continuous learning.

We bring a positive, can-do attitude to every interaction, delivering on our promises and working together to achieve the best outcomes for our clients.

Great ideas come from anywhere. We foster open, honest communication and cross-functional collaboration, built on respect, kindness, and shared success.

Trust and accountability drive us. We take ownership of our work, learn from our mistakes, and support each other in delivering excellence.

We embrace change, seek improvement, and uplift each other—creating an environment where everyone is encouraged to learn and excel.

Our leadership team

Leslie Spiro

Chief Executive Officer

Robert Myers

Chief Product Officer

Sara Courson

Chief Customer Officer

Emma Kozhushkova

Chief People Officer

Kiril Popov

SVP, Product Engineering

Susan Walters

CEO, Professional Services

David Nadolski

Chief Operating Officer

Built on deep interoperability expertise

interop.io was created in 2023 through the merger of Glue42 and Finsemble, bringing together two leading interoperability platforms and teams. The result is a company with deep experience helping financial institutions connect complex application environments and create more intuitive ways for people to work.

Today, interop.io helps clients modernize workflows across desktop and browser environments — supporting connected user experiences, stronger governance, and a foundation for an AI-centric environment.

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Support from Strategy to Production

Modernizing financial technology is rarely a one-step project. interop.io works closely with clients from early ideation and solution design through implementation, rollout, and ongoing optimization. Whether firms are connecting multiple OMSs, transforming legacy trading platforms, or building new applications, our team brings the experience to help them move faster with confidence.

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