# Christian Nentwich

> Christian Nentwich is the London-based co-founder and CEO of Duco, returning to the role in March 2026 after remaining involved as a board member and adviser. A UCL-trained computer scientist from Vienna, he previously co-founded Systemwire and chaired an FpML validation working group. He is also chairman and an investor at fiscal compliance software company fiskaly.

- **Role:** Co-founder and CEO at Duco
- **Organizations:** Duco, Systemwire, Message Automation, fiskaly, University College London, FpML / ISDA
- **From:** Vienna, Austria
- **Nationality:** Austrian
- **Education:** BSc, Computer Science, University College London, PhD, Computer Science, University College London
- **Known for:** Co-founded two software businesses, Systemwire and Duco., Helped commercialise UCL consistency-checking research through Systemwire., Chaired an FpML validation working group with participation from major financial institutions.

## Career timeline

- **2002** — Co-founded UCL spinout Systemwire with Anthony Finkelstein and Wolfgang Emmerich to commercialise research including xlinkit.
- **2003** — Chaired the newly established FpML validation working group.
- **2004** — Submitted doctoral thesis Managing the Consistency of Distributed Documents.
- **2006-2007** — Served as director of strategy at Message Automation.
- **2010** — Began the Duco founder/CEO role according to his Crunchbase career record; the reconciliation service reached market in 2013.
- **2013** — Duco Cube launched in April, according to Duco’s contemporary award announcement and co-founder Michael Marconi.
- **2018** — Led Duco through a $28 million Series B.
- **2021** — Remained CEO and a shareholder following Nordic Capital’s majority investment, which closed in August.
- **2024** — Handed the CEO role to Michael Chin in January, remaining involved with the board and product innovation.
- **2025** — Appointed chairman of fiskaly and announced an investment in the company.
- **2026** — Returned as CEO of Duco on 16 March; led the company during its May agentic platform launch.

## Achievements

- Co-founded two software businesses, Systemwire and Duco.
- Helped commercialise UCL consistency-checking research through Systemwire.
- Chaired an FpML validation working group with participation from major financial institutions.
- Led Duco through its 2018 $28 million Series B and 2021 majority investment by Nordic Capital.
- Received UCL’s Faculty of Mathematical and Physical Sciences faculty medal, according to fiskaly’s appointment biography.
- Named to Financial News’s 40 Under 40 Rising Stars of Trading and Technology and 40 leaders in fintech lists, as reported in Duco’s December 2014 announcement.

## Latest updates

- **2026-10** — Discussed Duco’s evolution and agentic operations opportunity in a Nordic Capital case study.
- **2026-09** — Duco reported average manual reconciliation task-time reductions of 76% across 12 clients in production trials; results are company-reported.
- **2026-05** — Duco launched its agentic operations platform with MCP access to reconciliation and related tools.
- **2026-03** — Returned as Duco CEO on 16 March, succeeding Michael Chin.
- **2025-02** — Appointed chairman of fiskaly and announced an investment.

## Links

- LinkedIn: https://www.linkedin.com/in/christiannentwich

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Profile page: https://yespress.io/christian-nentwich
Published by YesPress — https://yespress.io
Last updated: 2026-10-20