2019
- ONEO founded at Switzerland HQ by James Mitchell & Lim Wei Jie
- Established as ONEO Bank Pte. Ltd. under Switzerland HQ
- Opened first product lab for multi-currency wallets at Switzerland HQ
ONEO Bank
颠覆传统银行,重新定义下一代全球银行体验。让全球用户通过一个 App,连接账户、支付、投资与财富管理。ONEO,让全球金融服务更简单。
personal customers across our corridors
businesses running treasury on ONEO
countries and regions for everyday spend
Switzerland HQ · New York · Zurich
品牌定位
One app for your global financial life
ONEO helps people and companies hold, spend, send and grow money in one place — with clear fees and mid-market FX.
From multi-currency salaries in Asia to travel spend for US customers and Swiss-grade risk controls, we design products that feel local wherever you are.
2019
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2026
Engineering and risk at Switzerland HQ, growth partners in the United States — working as one company to ship carefully and move fast for customers.
Swiss, American and global leaders who set strategy, oversee risk, and keep ONEO accountable to customers and regulators.
Chair
Tan Wei Loon formerly served as Managing Director of Private Equity at GIC and spent several years on the Swiss financial regulators’ FinTech advisory panel, helping shape cross-border payments and digital-asset regulation across ASEAN.
Before joining ONEO, he was an independent director at multiple listed fintech groups in Southeast Asia and was named among Harvard Business Review Asia’s Top 100 CEOs. He holds an LLB from the University of Zurich and is a CFA charterholder.

Co-founder & CEO
James Mitchell co-founded ONEO in 2019 to give people one app for multi-currency accounts, international transfers, and digital assets. He previously traded emerging-markets derivatives at Goldman Sachs and J.P. Morgan, managing over $2 billion in notional exposure.
Mitchell holds a BA in Economics from Stanford and an MBA from Wharton. Based at Switzerland HQ, he leads ONEO’s regulated expansion across Europe, Asia and North America.

Co-founder & CTO
Lim Wei Jie co-founded ONEO with Mitchell and leads the global core-banking platform, real-time clearing engine, and multi-region infrastructure. He previously headed digital-channel engineering at DBS Bank and built payments and risk systems at Grab Financial.
Lim holds an MSc in Computer Science from Nanyang Technological University and brings more than fifteen years of experience in real-time billing, cross-border FX, and open-banking APIs.

Chair, Remuneration Committee
Catherine Hoffman is a non-executive director at ONEO and former Vice President at Morgan Stanley International, where she served on the global human-capital committee. Since retiring in 2018, she has joined the boards of several US and European fintech companies.
She is a director of the Financial Women’s Association of New York and sits on advisory boards at two US business schools. Hoffman holds a BA in Political Science from Yale and an MBA from Columbia.

Chair, Group Audit Committee
Dr. Heidi Müller spent more than 18 years as an audit partner at PwC Switzerland and is a member of EXPERTsuisse. She led IFRS audit engagements for multinational banks and payment institutions across Switzerland and the EU.
She is a guest lecturer at a Zurich business school and serves on audit committees for several Swiss and European foundations. Dr. Müller holds a doctorate in Economics from the University of Zurich.

Independent Non-Executive Director
Su Minyi is a seasoned banker who was Director of Retail and SME Credit at OCBC Bank and Chief Risk Officer at Standard Chartered Switzerland HQ, with more than 25 years of Asia-Pacific retail and commercial banking experience.
More recently she has served as Chief Risk Officer at two digital banks, helping each obtain a Switzerland HQ banking licence and build enterprise-wide risk frameworks. Su is a Chartered Banker and Fellow of the Institute of Banking and Finance Switzerland HQ.

Chair, Group Risk & Compliance Committee
Robert Hayes was a senior regulatory adviser at the Federal Reserve Bank of New York and contributed to anti-money-laundering policy at the US Treasury’s FinCEN, with deep expertise in cross-border compliance and sanctions screening.
Before ONEO, he was Chief Compliance Officer at two US licensed payment companies. Hayes holds a JD from Georgetown University and is a senior member of the Association of Certified Anti-Money Laundering Specialists (CAMS).

Independent Non-Executive Director
Markus Keller spent more than twenty years at UBS in senior roles including Head of Operations for Global Wealth Management and Head of Digital Asset Strategy, leading custody and compliance innovation across Switzerland and the EU.
He advises the Zurich FinTech Association and serves on the boards of several blockchain infrastructure companies. Keller holds a Master’s in Banking and Finance from the University of St. Gallen (HSG).

VP of Technology
Nicolas Baumann leads ONEO’s global engineering organisation of 800+ people, overseeing the core banking platform, global payment routing, and 24/7 infrastructure serving customers in 50+ countries.
Before ONEO, he built large-scale payments and billing systems at Credit Suisse and IBM. Baumann holds an MSc in Computer Science from ETH Zürich.

ONEO Bank Pte. Ltd. is headquartered at Switzerland HQ. We align product and risk programmes with Swiss regulatory expectations for fintech platforms, and partner with licensed institutions for banking rails.
Our Group Audit and Risk & Compliance Committees — chaired by independent directors from Switzerland and the United States — review controls, capital planning, and customer-fund safeguards on a regular cadence.

Asia FinTech Innovation — Cross-border Payments 2025

4.8 / 5 customer satisfaction (in-app Pulse)

Best Multi-currency App — ASEAN Digital Awards 2025

Trust & Security Excellence — Switzerland HQ Fintech Festival partner showcase
ONEO Bank · 下一代全球数字超级金融 App,让每个人拥有一个全球金融账户
Join customers building a global money life with ONEO