# Dianne Challenor

> Dianne (Di) Challenor is the Sydney-based co-founder and co-CEO of Constantinople, a software and operations platform for banks founded with Macgregor Duncan in 2022. Her career includes senior transaction-banking roles at Citi, JPMorgan Chase and Westpac, where she also helped launch a digital bank. Constantinople’s customers include Great Southern Bank and MoveBank.

- **Role:** Co-Founder & Co-CEO at Constantinople
- **Organizations:** Constantinople, Westpac, JPMorgan Chase, Citibank, Zip Co, Superhero, NPP Australia, 10x Future Technologies, Bell Shakespeare
- **Education:** Master of Business Administration, Macquarie Graduate School of Management, Bachelor of Commerce, University of Western Sydney
- **Known for:** Co-founded Constantinople in 2022., Helped launch and run Westpac’s digital bank., Led JPMorgan’s Asia-Pacific treasury services across 14 markets.

## Career timeline

- **Before 2013** — Held senior transaction-banking roles at Citi, including Chief Operating Officer for Global Transaction Services in Asia.
- **2013** — Began leading JPMorgan’s Asia-Pacific transaction services from Hong Kong.
- **2017** — Joined Westpac in January as General Manager, Global Transaction Services.
- **2018** — Joined Zip’s board on 1 February and NPP Australia’s board on 17 May.
- **2021** — Joined Superhero as a non-executive director.
- **2022** — Co-founded Constantinople with Macgregor Duncan; became a Bell Shakespeare director in January.
- **2023** — Constantinople announced an A$32 million seed round led by Square Peg.
- **2024** — Great Southern Bank launched its digital small-business offering in March; Constantinople announced an A$50 million Series A in April.
- **2025** — Constantinople announced partnerships with 10x Banking in June and Paymentology in November.
- **2026** — MoveBank completed a full migration to Constantinople.

## Achievements

- Co-founded Constantinople in 2022.
- Helped launch and run Westpac’s digital bank.
- Led JPMorgan’s Asia-Pacific treasury services across 14 markets.
- Co-led Constantinople through its A$32 million seed funding and A$50 million Series A.
- Constantinople and 10x Banking received Partnership of the Year at the 2025 FF Awards.

## Latest updates

- **2026-09** — Capital Brief reported Constantinople’s completed migration of the mutual MoveBank.
- **2026-08** — Appeared with Macgregor Duncan on FinTech Focus TV to discuss banking platforms, operational transformation and expansion into the UK.
- **2025-12** — 10x Banking and Constantinople announced their Partnership of the Year recognition at the FF Awards.
- **2025-11** — Paymentology announced its card issuing and processing partnership with Constantinople.

## Links

- LinkedIn: https://au.linkedin.com/in/dianne-di-challenor-71594771

---

Profile page: https://yespress.io/dianne-challenor
Published by YesPress — https://yespress.io
Last updated: 2026-10-22