Oi-Yee is the Chief Executive Officer of Climate Impact X (CIX), a global carbon market solutions provider headquartered in Singapore.

Oi-Yee is a seasoned, visionary leader with a background spanning 25 years in financial markets. She brings a wealth of experience in building and leading high-performing businesses across sectors, with a proven track record in fintech, innovation and capital markets.

Oi-Yee was most recently CEO of ADDX, a digital private capital markets exchange in Singapore that leverages blockchain to tokenise and trade private market assets, and which is licensed and regulated by the Monetary Authority of Singapore (MAS). Under her leadership since 2020, ADDX strengthened its partnerships with regional and global blue-chip fund managers and grew its platform to surpass US$1 billion in tokenised securities, one of the largest globally. ADDX is also a member of Project Guardian, an MAS-led initiative to enhance financial market liquidity and efficiency through asset tokenisation.

Prior to ADDX, Oi-Yee spent over 20 years in investment banking, leading major capital markets transactions for clients across Asia, Europe and the US. She spent six years as Head of Singapore Investment Banking at UBS, and also held leadership positions at Citigroup, Morgan Stanley, Nomura and Parkway Holdings. Oi-Yee is currently a Board Member for the Urban Redevelopment Authority of Singapore (URA), Capitaland Ascendas REIT and Singapore’s National Kidney Foundation.

Oi-Yee is passionate about leveraging technological innovation to advance financial inclusion and create meaningful impact. She has presented and spoken at numerous conferences including Point Zero, Money 2020, Asian Securities Industry and Financial Markets Association, and Digital Asset Week.

Oi-Yee graduated from Nanyang Technological University with a Bachelor of Accountancy. She also holds a Master of Business Administration from Manchester Business School.