Justine Chiu

Justine is Head of Legal at Three Cairns Group, where she leads the legal function across the firm’s philanthropic, investment, and incubated initiative work. She advises on transactions and governance, develops the firm’s legal and compliance infrastructure, and helps initiatives build from the ground up. Justine came to Three Cairns Group from Atlassian and Blue Origin, where she worked across the legal function, with an emphasis on deal structuring, M&A integration, and legal operations. She started her career at Simpson Thacher & Bartlett, where she focused on fund formation and M&A, and at Cooley, where she advised emerging companies on venture and growth transactions. She graduated from Princeton University with a BA in Ecology and Evolutionary Biology and a certificate in Environmental Studies, and earned her JD from the University of Pennsylvania Carey Law School.