New York attorney · Reg. #5220512

Joanne Siyun Ong

Registered — renewal due (registry: Due to reregister within 30 days of birthday)

Current employer

Temasek International Pte. Ltd. · Singapore 238891 · since at least September 2026

Admission

Admitted 2014, First Department · NATIONAL UNIVERSITY OF SINGAPORE

Employment history

• Temasek International Pte. Ltd. · Singapore 238891 · current

Compiled from NYS Office of Court Administration registration records, published NY Appellate Division decisions, and SEC orders against attorneys; current as of October 2026. Not an official record; verify with the NY Courts Attorney Search.