We're building risk infrastructure for institutional digital assets.
We believe real-time security is table stakes for the next era of digital assets.
Hans Morris
Managing Partner at Nyca Partners, Former President of Visa
Cris Conde
Former President and CEO of Sungard Systems ($11bn Exit)
Matt Homer
Former Executive Deputy Superintendent NY DFS, Managing Partner at the Venture Dept
Charlie Songhurst
Board of Directors Meta, Former Head of Corporate Strategy at Microsoft
Matt Rhodes-Kropf
Managing Partner at Tectonic Ventures, Professor of Finance at MIT
Leon Marshall
CEO Galaxy Digital Europe
Garrett Koehn
Former Head of Innovation at CRC Group
Ethan Johnson
Former CISO at Galaxy Digital, Former CISO at Citadel Digital Assets
Our team has built and operated digital and traditional asset infrastructure at JP Morgan, Morgan Stanley, Coincover, Komainu, Fireblocks, and LMAX. We know that real-world adoption won't happen until the risk of permanent loss is eliminated.
Circuit didn't begin as a risk company.
We started out building automation tools for institutions navigating digital assets. But in conversation after conversation with insurers, fund managers, and crypto-native teams, one issue kept surfacing: asset loss.
The industry had normalized an unacceptable risk. If keys, people, or infrastructure failed, assets were stuck or gone. No one had built the safety net institutions require.
So we addressed the root problem: digital assets lack the resilience mechanisms that traditional finance takes for granted.
Circuit builds infrastructure that prevents loss before it happens and enables recovery when it does. We eliminate single points of failure, remove counterparty risk, and ensure continuity even in worst-case scenarios.
We're building the risk infrastructure that makes confidence and scale in institutional crypto possible.
Founding Team
Circuit was built to ensure that digital asset loss becomes a thing of the past.
Harry Donnelly
Harry is the CEO and Founder of Circuit. He holds a Master's in Financial Engineering from MIT, where he focused his research on digital assets, and previously traded exotic options at JP Morgan. A former Irish underage rugby international, he left trading convinced that crypto would transform global markets and determined to help make it happen.
Gowtham Hassan Nagesha
Gowtham is a founding engineer at Circuit. With a foundation in Computer Science & Engineering Management from Cornell University and over four years of building systems from 0-1, Gowtham brings both technical depth and innovative thinking to Circuit. Previously worked at Samsung R&D, Walmart, and as the CTO of It’s Forever.
Aaron Winkler
Aaron is the Business Development Manager at Circuit, focusing on driving revenue growth and expanding client relationships. With six years of experience in the digital asset industry, including time at Fireblocks, he brings a strong background in digital asset sales and market development.
Kieran Donnelly
Kieran is Chief of Staff at Circuit, where he leads legal, compliance, and operational strategy. A qualified solicitor in England and Wales, he brings over five years of experience across crypto custody, key management, and payments, having previously held roles at Komainu and Zepz (formerly WorldRemit).
Matthew James
Matthew is a Senior Software Engineer at Circuit. A Cambridge physics graduate turned coder, he values fast feedback cycles, well-tested and maintainable software, and improving the developer experience. Before joining Circuit, he spent five years at LMAX building an institutional-grade custodian, gaining deep expertise in the digital asset space.
Dheeban S.G.
Dheeban is a member of the engineering team, driving product development and engineering excellence. YC alum, previously at Stripe, eBay, AMD and Magic Labs.
Company Milestones
Built by experts who’ve made digital assets safer, and now, recoverable
We believe asset recoverability is table stakes for the next era of digital assets.
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