Carlsmith Ball LLP

Gerald Sumida

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Practice Areas

Chairs Carlsmith's Business, Corporate & Finance Practice Group. Concentrates on energy law—including renewable energy/clean technology, energy project development/finance; business structuring/operations; business acquisitions, sales and mergers; securities law; start-up company/venture capital financing; administrative and public utilities law; antitrust and trade regulation law; federal and state legislative and administrative matters; and international legal matters.


Rejoined Carlsmith Ball in 2003 after serving as General Counsel of the Asian Development Bank.

Professional Memberships

Hawaii State, American and Inter-Pacific Bar Associations; American Society of International Law.


J.D., Yale Law School; B.A., summa cum laude, Princeton University.

2015 and 2018 Lawyer of the Year - Honolulu - Energy Law, The Best Lawyers in America; 2012 Lawyer of the Year - Honolulu - Business Organizations (including LLCs and Partnerships), The Best Lawyers in America.