Hana, based in Washington DC, specialises in securities litigation and financial regulation in the US, with a focus on climate risk, the energy sector, and the role of financial institutions. Hana also supports ClientEarth's climate and energy initiatives in Asia, with a focus on the financial sector in Japan.

Before joining ClientEarth, she served as a Senior Attorney at the Center for International Environmental Law, leading efforts on pension funds and the regulation of climate-related financial risk. Hana's diverse experience also includes roles as a Senior Campaigner at Rainforest Action Network and a Senior Policy Advisor at Global Witness.

Fluent in English and Japanese, Hana holds a Juris Doctor from the Elisabeth Haub School of Law at Pace University (Haub Law), complemented by a research certificate from Tokyo University Graduate School for Law and Politics. Currently pursuing an LLM at Georgetown Law Center, Hana is a member of the state bars of New York and Washington DC. Hana concurrently serves as a Professorial Lecturer in Law at the George Washington University School of Law; Board Member of Rainforest Action Network; and Advisory Board Member of the Sustainable Business Law Hub at Haub Law.