Your global finance, one app

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.

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.

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.

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.

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.

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).

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).

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.